Noun
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.
Source: Webster's dictionarythey have the illusion that I am very wealthy Source: Internet
According to Einstein, gravitational force in the normal sense is a kind of illusion caused by the geometry of space. Source: Internet
According to Bent Corydon, Hubbard created the illusion that Dianetics was the first psychotherapy to address traumatic experiences in their own time, but others had done so as standard procedure. Source: Internet
After being imbued with powers courtesy of a magic ring as a child, she gains the ability to be able to see through any lie or illusion, something which makes her an interesting foil to Asgard's greatest trickster. Source: Internet
A final source of distortion (or perhaps illusion) is the DFT itself, because it is just a discrete sampling of the DTFT, which is a function of a continuous frequency domain. Source: Internet
And “Vertigo” is the whole idea of creating an illusion and getting the audience to fall in love with it and then tossing it off the tower twice. Source: Internet