19
hypothetical(adjective, belief, uncertain, doubtful, apparent)
16
supposititious(adjective, belief, apparent, supposition, supposed)
14
conjectural(adjective, belief, vague, apparent, supposition)
14
speculative(adjective, uncertain, doubtful, vague, imaginary)
12
theoretical(adjective, uncertain, doubtful, vague, supposition)
11
supposed(adjective, belief, uncertain, doubtful, vague)
11
suppositious(adjective, belief, uncertain, doubtful, vague)
9
assumed(adjective, uncertain, doubtful, vague, supposition)
9
suppositive(adjective, belief, uncertain, doubtful, apparent)
8
hypothetic(adjective, belief, supposed)
8
putative(adjective, uncertain, doubtful, vague, supposition)
6
divinatory
6
presumed(adjective, expected, apparent, supposed, academic)
6
presumptive(adjective, belief, supposition, supposed)
5
academic(adjective, uncertain, doubtful, vague, supposition)
5
alleged(adjective, apparent, supposed, presumed)
5
reputed(uncertain, doubtful, supposed, speculative, alleged)
4
assumptive
4
conjectured(adjective, expected, supposed, presumed)
4
imaginary(adjective, imaginary)
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APASmart Define. (2015). suppositional thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/suppositional/thesaurus/synonyms
ChicagoSmart Define. 2015. "suppositional thesaurus" https://smartdefine.org/suppositional/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, suppositional thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/suppositional/thesaurus/synonyms>.
MLASmart Define. "suppositional thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/suppositional/thesaurus/synonyms>