77 entries under theoretical topic. ×

20
conjectural(adjective, belief, abstract, imaginary, apparent)
19
speculative(adjective, uncertain, doubtful, abstract, imaginary)
19
suppositional(adjective, belief, uncertain, doubtful, apparent)
17
supposed(adjective, belief, uncertain, fantastic, doubtful)
15
abstract(adjective, obscure, extraordinary, superior, fantastic)
15
supposititious(adjective, belief, fantastic, unreal, apparent)
13
assumed(verb, adjective, uncertain, doubtful, risky)
12
ideal(adjective, extraordinary, superior, fantastic, real)
12
suppositious(adjective, belief, uncertain, doubtful, apparent)
11
imaginary(adjective, negative, intellectual, unreal, absent)
10
hypothetic(adjective, belief, real, supposed)
10
academic(adjective, philosophy, uncertain, doubtful, imaginary)
10
putative(adjective, uncertain, doubtful, imaginary, supposition)
9
transcendent(adjective, great, extraordinary, real, intellectual)
8
notional(adjective, intellectual, abstract, risky, imaginary)
8
presumed(adjective, expected, risky, apparent)
7
conceptual(adjective, topical)
7
doubtful(verb, adjective, uncertain, dubious, imaginary)
6
alleged(adjective, apparent, supposed, presumed)
6
theoretic(adjective, real, imaginary, supposed)
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APASmart Define. (2015). hypothetical thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/hypothetical/thesaurus/synonyms
ChicagoSmart Define. 2015. "hypothetical thesaurus" https://smartdefine.org/hypothetical/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, hypothetical thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/hypothetical/thesaurus/synonyms>.
MLASmart Define. "hypothetical thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/hypothetical/thesaurus/synonyms>