|1.||a false appearance or deceptive impression of reality: the mirror gives an illusion of depth|
|2.||a false or misleading perception or belief; delusion: he has the illusion that he is really clever|
|3.||psychol See also hallucination a perception that is not true to reality, having been altered subjectively in some way in the mind of the perceiver|
|4.||a very fine gauze or tulle used for trimmings, veils, etc|
|[C14: from Latin illūsiō deceit, from illūdere; see |
illusion il·lu·sion (ĭ-lōō'zhən)
An erroneous perception of reality.
An erroneous concept or belief.
The condition of being deceived by a false perception or belief.
Something, such as a fantastic plan or desire, that causes an erroneous belief or perception.