[noun] (psychology) an erroneous belief that is held in the face of evidence to the contrary Synonyms:psychotic belief
[noun] a mistaken or unfounded opinion or idea; "he has delusions of competence"; "his dreams of vast wealth are a hallucination" Synonyms:hallucination
[noun] the act of deluding; deception by creating illusory ideas Synonyms:illusion, head game
