4
illegitimate
4
illusory(adjective, fake, happy, perfect, false)
4
imagined(adjective, fake, happy, perfect, false)
4
speculative(adjective, uncertain, doubtful, vague, supposition)
4
spurious(adjective, wrong, fake, false, counterfeit)
3
academic(adjective, uncertain, doubtful, vague, supposition)
3
affected(adjective, wrong, fake, false, counterfeit)
3
apparent(adjective, false, real, deceitful, deceptive)
3
delusive(adjective, fake, false, counterfeit, deceitful)
3
fake(adjective, wrong, informal, false, counterfeit)
3
fanciful(adjective, fake, happy, perfect, false)
3
imitation(adjective, wrong, fake, false, counterfeit)
3
misleading(adjective, fake, false, counterfeit, deceitful)
3
mock(adjective, wrong, fake, false, counterfeit)
3
phony(adjective, wrong, fake, informal, false)
3
pirate(adjective, wrong, fake, false, counterfeit)
3
presumed(adjective, apparent, supposed, alleged)
3
presumptive(adjective, belief, supposition, supposed)
3
pretentious(adjective, wrong, fake, false, counterfeit)
3
pseudo(adjective, wrong, fake, informal, false)
13 years ago|6.4k views|share |citing 
APASmart Define. (2013). suppositious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/suppositious/thesaurus/synonyms
ChicagoSmart Define. 2013. "suppositious thesaurus" https://smartdefine.org/suppositious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, suppositious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/suppositious/thesaurus/synonyms>.
MLASmart Define. "suppositious thesaurus" 28 June 2013. Web. 22 September 2026. <https://smartdefine.org/suppositious/thesaurus/synonyms>