114 entries under illusion topic. ×

26
delusion(noun, cover, line, slip, confusion)
24
error(noun, correct, wrong, slip, confusion)
19
misconception(noun, slip, confusion, idea, deception)
14
mistake(noun, slip, deception, fault, vision)
13
falsehood(noun, correct, failure, fault, true)
10
deception(noun, cover, line, trick, confusion)
9
flaw(noun, slip, failure, fault, lapse)
9
heresy(noun, mistake, dissent, error, deviation)
9
inconsistency(noun, reasoning, misconception, deviation from truth)
9
untruth(noun, correct, failure, fault, true)
8
sophism(noun, correct, true, reasoning)
7
casuistry(noun, cover, correct, line, deception)
7
deceit(noun, cover, line, deception, lie)
7
aberration(noun, mistake, error, falsity)
7
evasion(noun, misconception, deviation from truth)
7
sophistry(noun, correct, deception, true)
6
erroneousness(noun, correct, deception, true, lie)
6
misapprehension(noun, slip, confusion, deception, failure)
6
miscalculation(noun, slip, failure, fault, lapse)
6
speciousness(noun, cover, correct, line, deception)
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APASmart Define. (2015). fallacy thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/fallacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "fallacy thesaurus" https://smartdefine.org/fallacy/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, fallacy thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/fallacy/thesaurus/synonyms>.
MLASmart Define. "fallacy thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/fallacy/thesaurus/synonyms>