25 entries under speculative topic. ×

17
assumed(verb, adjective, fake, counterfeit, uncertain)
15
hypothetical(adjective, belief, uncertain, doubtful, apparent)
12
suppositional(adjective, belief, uncertain, doubtful, vague)
10
conjectural(adjective, belief, vague, apparent, theoretical)
10
putative(adjective, belief, uncertain, doubtful, vague)
10
reputed(adjective, belief, uncertain, thought, doubtful)
9
suppositious(adjective, belief, uncertain, doubtful, vague)
8
theoretical(adjective, uncertain, doubtful, vague, fictitious)
5
surmised(verb, adjective, uncertain, doubtful, expected)
4
estimated(verb, theoretical, calculated, alleged)
4
figured(verb, uncertain, doubtful, calculated)
3
suppositive(adjective, belief, uncertain, doubtful, apparent)
2
academic(uncertain, doubtful, vague, theoretical, assumed)
2
suspect(uncertain, doubtful, vague, imaginary, theoretical)
2
tentative(uncertain, doubtful)
1
doubtful(uncertain, vague, imaginary, theoretical, assumed)
1
guesstimated(uncertain, doubtful)
1
made-up(adjective, fantastic, unreal, theoretical, fictitious)
1
uncertain(doubtful, vague, imaginary, theoretical, assumed)
0
fictional(adjective, fantastic, unreal, theoretical, fictitious)
<12>
11 years ago|12k views|share |citing 
APASmart Define. (2015). supposed thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/supposed/thesaurus/synonyms
ChicagoSmart Define. 2015. "supposed thesaurus" https://smartdefine.org/supposed/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, supposed thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/supposed/thesaurus/synonyms>.
MLASmart Define. "supposed thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/supposed/thesaurus/synonyms>