135 entries under guesstimate topic. ×

41
conjecture(noun, verb, concept, state, hold)
37
surmise(noun, verb, concept, action, hold)
32
suppose(verb, concept, action, hold, accept)
31
think(verb, action, hold, place, feeling)
30
estimate(noun, verb, form, activity, state)
23
reckon(verb, activity, action, hold, place)
22
believe(verb, action, hold, accept, consider)
22
judge(verb, state, action, hold, place)
20
supposition(noun, concept, feeling, understanding, philosophy)
17
guesswork(noun, concept, philosophy, idea, system)
16
gauge(noun, verb, hold, place, fix)
16
presumption(noun, concept, feeling, understanding, philosophy)
15
hypothesis(noun, form, concept, end, feeling)
15
assumption(noun, concept, feeling, understanding, philosophy)
15
postulate(noun, verb, concept, hold, feeling)
15
suspect(verb, hold, accept, consider, determine)
14
theory(noun, form, concept, end, feeling)
11
approximate(verb, hold, place, consider, put)
11
consider(verb, action, hold, place, accept)
10
presupposition(noun, feeling, understanding, fancy, mind)
<12345…7>
10 years ago|20k views|share |citing 
APASmart Define. (2016). guess thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/guess/thesaurus/synonyms
ChicagoSmart Define. 2016. "guess thesaurus" https://smartdefine.org/guess/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, guess thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/guess/thesaurus/synonyms>.
MLASmart Define. "guess thesaurus" 1 April 2016. Web. 28 September 2026. <https://smartdefine.org/guess/thesaurus/synonyms>