1. (n.) An unreal image; a deceptive appearance\; a false show; mockery; hallucination.

2. (n.) Hence: Anything agreeably fascinating and charming; enchantment; witchery; glamour.

3. (n.) 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.

4. (n.) A plain, delicate lace, usually of silk, used for veils, scarves, dresses, etc.

aberrancy aberration air airy nothing apparition appearance bamboozlement bedevilment befooling bewitchery bewitchment bluffing brainchild bubble calculated deception captivation chimera circumvention conning deceiving deception deceptiveness defectiveness defrauding delirium delusion delusiveness deviancy distortion dream dupery eidolon enchantment enmeshment ensnarement entanglement entrancement entrapment errancy erroneousness error ether fallaciousness fallacy falseness falsity fancy fantasque fantasy fascination fault faultiness fiction figment flaw flawedness flimflam flimflammery fond illusion fooling hallucination hamartia heresy heterodoxy hoodwinking idle fancy ignis fatuus imagery imagination imagining insubstantial image invention kidding maggot make-believe maya mirage misapplication misapprehension misconception misconstruction misdoing misfeasance misinterpretation misjudgment mist mistake myth obsession outwitting overreaching peccancy perversion phantasm phantasmagoria phantom pipe pipe dream possession putting on rainbow romance seeming self-contradiction self-deception semblance shadow sick fancy sin sinfulness smoke snow job song and dance spirit spoofery spoofing subterfuge swindling thick-coming fancies thin air trickiness tricking trip unorthodoxy untrueness untruth untruthfulness vapor victimization vision whim whimsy wildest dreams willful misconception wishful thinking witchery wrong wrongness