538 entries under verb topic. ×

7
theorise
7
wonder(consider, reason, assume, think)
6
brood(study, consider, worry, resolve)
6
hypothecate
6
think over(expression, phrasal verb, study, consider)
6
understand(hold, accept, consider, reason)
5
believe(hold, accept, consider, fancy)
5
envision(develop, consider, produce, create)
5
fancy(accept, develop, consider, produce)
5
fantasize(concentrate, fabricate, suppose, hallucinate)
5
play the market(expression, idiom, risk, gamble)
5
plunge(set, try, expose, risk)
5
predict(think, believe, suggest, pretend)
4
dare(set, advance, challenge, try)
4
debate(consider, examine, think, deliberate)
4
divine(accept, consider, reason, assume)
4
dope(informal, theorize)
4
game(set, back, risk, stake)
4
gather(hold, study, accept, consider)
4
hypothesise
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APASmart Define. (2015). speculate thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/speculate/thesaurus/synonyms
ChicagoSmart Define. 2015. "speculate thesaurus" https://smartdefine.org/speculate/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, speculate thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/speculate/thesaurus/synonyms>.
MLASmart Define. "speculate thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/speculate/thesaurus/synonyms>