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  1. Illusion - Wikipedia

    An illusion is a distortion of the senses, which can reveal how the mind normally organizes and interprets sensory stimulation. Although illusions distort the human perception of reality, they …

  2. ILLUSION Definition & Meaning - Merriam-Webster

    illusion implies a false ascribing of reality based on what one sees or imagines.

  3. Illusion | Definition, Examples, & Facts | Britannica

    illusion, a misrepresentation of a “real” sensory stimulus —that is, an interpretation that contradicts objective “reality” as defined by general agreement. For example, a child who …

  4. ILLUSION Definition & Meaning | Dictionary.com

    illusion, hallucination, delusion refer to false perceptions or ideas. An illusion is a false mental image produced by misinterpretation of things that actually exist: A mirage is an illusion …

  5. Illusion - definition of illusion by The Free Dictionary

    Define illusion. illusion synonyms, illusion pronunciation, illusion translation, English dictionary definition of illusion. misinterpretation of things that exist: A mirage is an illusion caused by …

  6. Illusion - New World Encyclopedia

    Well-known illusions include the Muller-Lyer illusion, Ebbinghaus illusion, and the Moon illusion. Fictional illusions are defined as the perception of objects that are genuinely not there to all but …

  7. ILLUSION | definition in the Cambridge English Dictionary

    ILLUSION meaning: 1. an idea or belief that is not true: 2. something that is not really what it seems to be: 3. an…. Learn more.

  8. ILLUSION definition in American English | Collins English Dictionary

    An illusion is something that appears to exist or be a particular thing but does not actually exist or is in reality something else. Floor-to-ceiling windows can look stunning, giving the illusion of …

  9. illusion - Wiktionary, the free dictionary

    Jan 20, 2026 · Noun illusion (countable and uncountable, plural illusions) (countable) Anything that seems to be something that it is not.

  10. Illusions – General Psychology

    Once they have created a successful illusion, the scientist can explore what people experience, what parts of the brain are involved in interpretation of the illusion, and what variables increase …