15
supposititious(adjective, false, belief, counterfeit, true)
13
hypothetical(adjective, belief, uncertain, doubtful, apparent)
12
assumed(adjective, fake, false, counterfeit, uncertain)
11
suppositional(adjective, belief, uncertain, doubtful, vague)
10
conjectural(adjective, belief, vague, apparent, supposition)
9
supposed(adjective, belief, uncertain, doubtful, vague)
8
hypothetic(adjective, belief, supposed)
8
imaginary(adjective, fake, false, strange, fantastic)
7
divinatory(adjective, conjectural)
7
fictitious(adjective, fake, happy, perfect, false)
7
theoretical(adjective, uncertain, doubtful, vague, supposition)
6
deceptive(adjective, fake, false, counterfeit, misleading)
6
false(adjective, wrong, fake, counterfeit, true)
6
suppositive(adjective, belief, uncertain, doubtful, apparent)
5
alleged(adjective, apparent, supposed, presumed)
5
counterfeit(adjective, wrong, fake, false, true)
5
putative(adjective, uncertain, doubtful, vague, supposition)
4
bogus(adjective, wrong, fake, informal, false)
4
fantastic(adjective, happy, perfect, false, strange)
4
fraudulent(adjective, wrong, fake, false, counterfeit)
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APASmart Define. (2013). suppositious thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/suppositious/thesaurus/synonyms
ChicagoSmart Define. 2013. "suppositious thesaurus" https://smartdefine.org/suppositious/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, suppositious thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/suppositious/thesaurus/synonyms>.
MLASmart Define. "suppositious thesaurus" 28 June 2013. Web. 20 September 2026. <https://smartdefine.org/suppositious/thesaurus/synonyms>