- An unreal image presented to the bodily or mental vision;
a deceptive appearance; a false show; mockery; hallucination. - Hence: Anything agreeably fascinating and charning;
enchantment; witchery; glamour. - 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. - A plain, delicate lace, usually of silk, used for veils,
scarfs, dresses, etc.
Meaning of 'illusion' (Princeton's WordNet)
1 . illusion
[ n]
Meaning (1): - something many people believe that is false
Zollner illusion Zollner illusion is a visual illusion in which parallel lines appear to diverge.
Poggendorfillusion Poggendorfillusion which the visual illusion that a straight line passing behind two parallel lines or rectangles is not actually straight.
Illusion Illusion is a mistake in perception either for physical reasons (an optical illusion like an impossible figure) or psychological reasons as in hallucination.
Illusion of Outgroup Homogeneity Illusion of Outgroup Homogeneity is the tendency to perceive members of outgroups as more similar to one another (more homogeneous) than