• not false or copied; genuine; real: an authentic antique.
- having the origin supported by unquestionable evidence; authenticated; verified: an authentic document of the Middle Ages; an authentic work of the old master.
- entitled to acceptance or belief because of agreement with known facts or experience; reliable; trustworthy
- genuine

• - opinion or conviction
- faith
- something believed
- a religious tenet or tenets; religious creed or faith: the Christian belief.

• an act or instance of deluding.
the state of being deluded.
a false belief or opinion: delusions of grandeur.
Psychiatry . a fixed false belief that is resistant to reason or confrontation with actual fact: a paranoid delusion.

• A statement that twists fact; a misrepresentation.
• A change in the shape of an image resulting from imperfections in an optical system, such as a lens.
• The modification of unconscious impulses into forms acceptable by conscious or dreaming perception.

• something that has a real existence; thing: corporeal entities.
• 2. being or existence, especially when considered as distinct, independent, or self-contained: He conceived of society as composed of particular entities requiring special treatment.

• 1. to have actual being; be: The world exists, whether you like it or not.
• 2. to have life or animation; live.
• 3. to continue to be or live: Belief in magic still exists.
• 4. to have being in a specified place or under certain conditions; be found; occur: Hunger exists in many parts of the world.
• 5. to achieve the basic needs of existence, as food and shelter: He's not living, he's merely existing.

• 1. a particular instance of personally encountering or undergoing something: My encounter with the bear in the woods was a frightening experience.
• 2. the observing, encountering, or undergoing of things generally as they occur in the course of time: to learn from experience; the range of human experience.
• 3. . knowledge or practical wisdom gained from what one has observed, encountered, or undergone: a man of experience.
• 4. Philosophy . the totality of the cognitions given by perception; all that is perceived, understood, and remembered.

• 1. something that actually exists; reality; truth: Your fears have no basis in fact.
• 2. something known to exist or to have happened:
Space travel is now a fact.
• 3. a truth known by actual experience or observation; something known to be true: Scientists gather facts about plant growth.
• 4. something said to be true or supposed to have happened: The facts given by the witness are highly questionable.

• 1. belief that is not based on proof: He had faith that the hypothesis would be substantiated by fact.
• 2. belief in God or in the doctrines or teachings of religion: the firm faith of the Pilgrims.
• 3. belief in anything, as a code of ethics, standards of merit, etc.: to be of the same faith with someone concerning honesty.
• 4. a system of religious belief: the Christian faith; the Jewish faith.

• 1. imagination, especially when extravagant and unrestrained.
• 2. the forming of mental images, especially wondrous or strange fancies; imaginative conceptualizing.
• 3. a mental image, especially when unreal or fantastic; vision: a nightmare fantasy.
• 4. Psychology . an imagined or conjured up sequence fulfilling a psychological need; daydream.
• 5. a hallucination.

• 1. possessing the claimed or attributed character, quality, or origin; not counterfeit; authentic; real: genuine sympathy; a genuine antique.
• 2. properly so called: a genuine case of smallpox.
• 3. free from pretence, affectation, or hypocrisy; sincere: a genuine person.

• 1. a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to certain toxic substances, and usually manifested as visual or auditory images.
• 2. the sensation caused by a hallucinatory condition or the object or scene visualized.
• 3. a false notion, belief, or impression; illusion; delusion.

• 1. any conception existing in the mind as a result of mental understanding, awareness, or activity.
• 2. a thought, conception, or notion: That is an excellent idea.
• 3. an impression: He gave me a general idea of how he plans to run the department.
• 4. an opinion, view, or belief: His ideas on raising children are certainly strange.

• 1. the faculty of imagining, or of forming mental images or concepts of what is not actually present to the senses.
• 2. the action or process of forming such images or concepts.
• 3. the faculty of producing ideal creations consistent with reality, as in literature, as distinct from the power of creating illustrative or decorative imagery. Compare fancy ( def. 2 ) .
• 4. the product of imagining; a conception or mental creation, often a baseless or fanciful one.
• 5. ability to face and resolve difficulties; resourcefulness: a job that requires imagination.

• 1. an instance of apprehending the true nature of a thing, especially through intuitive understanding: an insight into 18th-century life.
• 2. penetrating mental vision or discernment; faculty of seeing into inner character or underlying truth.
• 3. Psychology a. an understanding of relationships that sheds light on or helps solve a problem. b. (in psychotherapy) the recognition of sources of emotional difficulty. c. an understanding of the motivational forces behind one's actions, thoughts, or behaviour; self-knowledge.

• 1. what is intended to be, or actually is, expressed or indicated; signification; import: the three meanings of a word.
• 2. the end, purpose, or significance of something: What is the meaning of life? What is the meaning of this intrusion?

• 1. the act or faculty of apprehending by means of the senses or of the mind; cognition; understanding.
• 2. immediate or intuitive recognition or appreciation, as of moral, psychological, or aesthetic qualities; insight; intuition; discernment: an artist of rare perception.
• 3. the result or product of perceiving, as distinguished from the act of perceiving; percept.
• 4. Psychology . a single unified awareness derived from sensory processes while a stimulus is present.

• 1. a fact, occurrence, or circumstance observed or observable: to study the phenomena of nature.
• 2. something that is impressive or extraordinary.
• 3. a remarkable or exceptional person; prodigy; wonder.
• 4. Philosophy .
• a. an appearance or immediate object of awareness in experience.
• b. Kantianism . a thing as it appears to and is constructed by the mind, as distinguished from a noumenon, or thing-in-itself.

• 1. true; not merely ostensible, nominal, or apparent: the real reason for an act.
• 2. existing or occurring as fact; actual rather than imaginary, ideal, or fictitious: a story taken from real life.
• 3. being an actual thing; having objective existence; not imaginary: The events you will see in the film are real and not just made up.
• 4. being actually such; not merely so-called: a real victory.
• 5. genuine; not counterfeit, artificial, or imitation; authentic: a real antique; a real diamond; real silk.

• 1. The world or the state of things as they actually exist, as opposed to an idealistic or notional idea of them: "he refuses to face reality".
• 2. A thing that is actually experienced or seen, esp. when this is grim or problematic: "the harsh realities of life".

• 1. an act of recognizing or the state of being recognized .
• 2. the identification of something as having been previously seen, heard, known, etc.
• 3. the perception of something as existing or true; realization.
• 4. the acknowledgment of something as valid or as entitled to consideration: the recognition of a claim.
• 5. the acknowledgment of achievement, service, merit, etc.

• 1. the condition of a person or thing, as with respect to circumstances or attributes: a state of health.
• 2. the condition of matter with respect to structure, form, constitution, phase, or the like: water in a gaseous state.
• 3. status, rank, or position in life; station: He dresses in a manner befitting his state.
• 4. the style of living befitting a person of wealth and high rank: to travel in state.
• 5. a particular condition of mind or feeling: to be in an excited state.

• 1. that of which a thing consists; physical matter or material: form and substance.
• 2. a species of matter of definite chemical composition: a chalky substance.
• 3. controlled substance.
• 4. the subject matter of thought, discourse, study, etc.
• 5. the actual matter of a thing, as opposed to the appearance or shadow; reality.

• 1. capable of being touched; discernible by the touch; material or substantial.
• 2. real or actual, rather than imaginary or visionary: the tangible benefits of sunshine.
• 3. definite; not vague or elusive: no tangible grounds for suspicion.
• 4. (of an asset) having actual physical existence, as real estate or chattels, and therefore capable of being assigned a value in monetary terms.

• a coherent group of tested general propositions, commonly regarded as correct, that can be used as principles of explanation and prediction for a class of phenomena: Einstein's theory of relativity.
• 2. a proposed explanation whose status is still conjectural and subject to experimentation, in contrast to well-established propositions that are regarded as reporting matters of actual fact.
• 3. the branch of a science or art that deals with its principles or methods, as distinguished from its practice: music theory.
• 4. a particular conception or view of something to be done or of the method of doing it; a system of rules or principles: conflicting theories of how children best learn to read.

• 1. the true or actual state of a matter: He tried to find out the truth.
• 2. conformity with fact or reality; verity: the truth of a statement.
• 3. a verified or indisputable fact, proposition, principle, or the like: mathematical truths.
• 4. the state or character of being true.
• 5. actuality or actual existence.

• the state or quality of being valid: to question the validity of the argument.
• 2. legal soundness or force.

• 1. (the possessive case of who used as an adjective):
Whose umbrella did I take? Whose is this one?
• 2. (the possessive case of which used as an adjective): a word whose meaning escapes me; an animal whose fur changes colour.
• 3. the one or ones belonging to what person or persons: Whose painting won the third prize?