from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An erroneous perception of reality.
- n. An erroneous concept or belief.
- n. The condition of being deceived by a false perception or belief.
- n. Something, such as a fantastic plan or desire, that causes an erroneous belief or perception.
- n. Illusionism in art.
- n. A fine transparent cloth, used for dresses or trimmings.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Anything that seems to be something that it is not.
- n. A misapprehension; a belief in something that is in fact not true.
- n. A magician’s trick.
- n. this sense?) (uncountable) The fact of being an illusion (in any of the above senses).
from the GNU version of the Collaborative International Dictionary of English
- n. An unreal image presented to the bodily or mental vision; a deceptive appearance; a false show; mockery; hallucination.
- n. Hence: Anything agreeably fascinating and charming; enchantment; witchery; glamour.
- n. A sensation originated by some external object, but so modified as in any way to lead to an erroneous perception; as when the rolling of a wagon is mistaken for thunder.
- n. A plain, delicate lace, usually of silk, used for veils, scarfs, dresses, etc.
from The Century Dictionary and Cyclopedia
- n. That which illudes or deceives; an unreal vision presented to the bodily or mental eye; deceptive appearance; false show.
- n. Specifically In psychology, a false perception due to the modification of a true perception by the imagination: distinguished from false appearances due to the imperfection of the bodily organs of sense, such as irradiation, and from hallucinations, into which no true perception enters. See hallucination, 2.
- n. The act of deceiving or imposing upon any one; deception; delusion; mockery.
- n. A thin and very transparent kind of tulle.
- n. In the pictorial arts, an imitation of the appearance of nature which is intended to create the impression of reality.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an erroneous mental representation
- n. an illusory feat; considered magical by naive observers
- n. something many people believe that is false
- n. the act of deluding; deception by creating illusory ideas
Middle English, from Old French, from Late Latin illūsiō, illūsiōn-, from Latin, a mocking, irony, from illūsus, past participle of illūdere, to mock : in-, against; + lūdere, to play.(American Heritage® Dictionary of the English Language, Fourth Edition)