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.
Illusionism in art.
A fine transparent cloth, used for dresses or trimmings.
[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; see in-2 + lūdere, to play; see leid- in Indo-European roots.] il·lu'sion·al, il·lu'sion·ar'y (-zhə-něr'ē) adj., il·lu'sion·less adj.