85 entries under reason topic. ×

12
estimate(noun, verb, check, consider, determine)
12
guess(noun, verb, consider, determine)
9
conjecture(noun, verb, consider, determine)
6
surmise(noun, verb, consider, determine, fancy)
6
take for granted(verb, expression, idiom, fancy)
4
speculate(verb, fancy, figure, assume)
3
hypothesize(verb, fancy, assume, think)
3
judge(noun, verb, check, consider, determine)
3
postulate(noun, verb, feeling, idea)
3
reckon(verb, check, consider, determine)
3
suppose(noun, verb, consider, determine, fancy)
2
believe(verb, consider, determine, fancy)
2
calculate(verb, check, consider, determine)
2
consider(verb, determine, examine, figure)
2
deduce(verb, consider, determine, examine)
2
deem(verb, examine, review, assume)
2
expect(verb, consider, determine, fancy)
2
fancy(noun, verb, assume, think)
2
figure(verb, consider, determine, total)
2
figure out(verb, expression, phrasal verb, check)
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APASmart Define. (2015). guesstimate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/guesstimate/thesaurus/synonyms
ChicagoSmart Define. 2015. "guesstimate thesaurus" https://smartdefine.org/guesstimate/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, guesstimate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/guesstimate/thesaurus/synonyms>.
MLASmart Define. "guesstimate thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/guesstimate/thesaurus/synonyms>