430 entries under noun topic. ×

8
insanity(illness, foolishness, irrationality, senselessness)
8
rainbow(desire, fancy, informal, idea)
7
fiction(fancy, idea, impression, real)
7
misconception(confusion, deception, belief, fault)
6
aberration(neglect, confusion, deception, fault)
6
ignis fatuus(expression, idiom, fancy, spirit)
6
imagination(creativity, power, desire, fancy)
6
legerdemain(power, taboo, supernatural, magic)
6
mistake(deception, lapse, vision, error)
6
phantasmagoria(trip, vision, dream, hallucination)
5
appearance(feeling, sound, desire, fancy)
5
bubble(desire, fancy, informal, idea)
5
conjuration
5
conjuring trick(expression, idiom)
5
daydream(desire, fancy, spirit, idea)
5
invention(creativity, desire, fancy, idea)
5
magic trick(expression, idiom)
5
misbelief(trip, fancy, confusion, deception)
5
spirit(dream, revelation, delusion, ghost)
5
untruth(deception, mistake, error, falsehood)
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APASmart Define. (2015). illusion thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/illusion/thesaurus/synonyms
ChicagoSmart Define. 2015. "illusion thesaurus" https://smartdefine.org/illusion/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, illusion thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/illusion/thesaurus/synonyms>.
MLASmart Define. "illusion thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/illusion/thesaurus/synonyms>