To cheat the eye with blear illusions. --Milton.
2. Hence: Anything agreeably fascinating and charning;
enchantment; witchery; glamour.
Ye soft illusions, dear deceits, arise! --Pope.
3. (Physiol.) 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.
Note: Some modern writers distinguish between an illusion and
hallucination, regarding the former as originating with
some external object, and the latter as having no
objective occasion whatever.
4. A plain, delicate lace, usually of silk, used for veils,
scarfs, dresses, etc.
Syn: Delusion; mockery; deception; chimera; fallacy. See
{Delusion}. {Illusion}, {Delusion}. Illusion refers
particularly to errors of the sense; delusion to false
hopes or deceptions of the mind. An optical deception is
an illusion; a false opinion is a delusion. --E.
Edwards.