4
hypothesise(verb, conjecture)
4
invest(verb, mass, pile, hoard, amass)
4
job
4
judge(verb, hold, study, accept, consider)
4
margin up(verb, risk, gamble)
4
perpend(verb, study, mean, consider, favor)
4
presuppose(verb, accept, consider, reason, assume)
4
prophesy(verb, suppose, predict)
4
read(verb, theorize)
4
review(verb, theorize)
4
take a chance(verb, expression, idiom, risk, gamble)
4
take a flier(verb, expression, idiom, risk, gamble)
4
try(verb, work, advance, attack, examine)
3
Mull
3
attempt(verb, work, advance, attack, challenge)
3
buy and sell
3
calculate(verb, reason, assume, think, understand)
3
cast lots(expression, set, try, plunge, risk)
3
digest
3
dope out(verb, expression, phrasal verb, consider, reason)
11 years ago|11k views|share |citing 
APASmart Define. (2015). speculate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/speculate/thesaurus/synonyms
ChicagoSmart Define. 2015. "speculate thesaurus" https://smartdefine.org/speculate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, speculate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/speculate/thesaurus/synonyms>.
MLASmart Define. "speculate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/speculate/thesaurus/synonyms>