Hallucination1. (n.) The act of hallucinating; a wandering of the mind; error; mistake; a blunder.
2. (n.) The perception of objects which have no reality, or of sensations which have no corresponding external cause, arising from disorder or the nervous system, as in delirium tremens; delusion.
Thesaurus Entries
aberration, agnosia, apparition, bamboozlement, befooling, block, blocking, bluffing, brainchild, bubble, calculated deception, chimera, circumvention, conning, deceiving, deception, deceptiveness, defrauding, delirium, delirium tremens, delusion, delusion of persecution, delusiveness, disorientation, dream, dupery, eidolon, enmeshment, ensnarement, entanglement, entrapment, fallaciousness, fallacy, falseness, fancy, fantasque, fantasy, fata morgana, fiction, figment, flight of ideas, flimflam, flimflammery, fond illusion, fooling, ghost, hallucinosis, hoodwinking, idle fancy, illusion, imagery, imagination, imagining, insubstantial image, invention, kidding, maggot, make-believe, mental block, mental confusion, mind-expansion, mirage, myth, nihilism, nihilistic delusion, outwitting, overreaching, paralogia, phantasm, phantom, psychological block, putting on, romance, self-deception, sick fancy, snow job, song and dance, spoofery, spoofing, subterfuge, swindling, thick-coming fancies, trickiness, tricking, trip, tripping, vapor, victimization, vision, whim, whimsy, wildest dreams, willful misconception, wishful thinking, wraith