21
hypothesis(noun, concept, feeling, understanding, philosophy)
20
surmise(noun, concept, feeling, understanding, philosophy)
19
assumption(noun, concept, feeling, understanding, philosophy)
19
guess(noun, verb, concept, feeling, understanding)
18
conjecture(noun, concept, feeling, understanding, philosophy)
18
presumption(noun, concept, feeling, understanding, philosophy)
17
theory(noun, concept, feeling, understanding, philosophy)
16
speculation(noun, concept, philosophy, view, attitude)
15
presupposition(noun, feeling, understanding, fancy, mind)
12
postulate(noun, concept, feeling, philosophy, fancy)
11
postulation(noun, understanding, fancy, reason, view)
11
premise(noun, concept, philosophy, fancy, reason)
10
idea(noun, concept, creativity, feeling, understanding)
10
notion(noun, concept, creativity, feeling, understanding)
9
belief(noun, concept, feeling, understanding, philosophy)
9
guesswork(noun, concept, feeling, understanding, philosophy)
9
opinion(noun, concept, feeling, understanding, report)
8
thesis(noun, concept, feeling, understanding, philosophy)
8
proposition(noun, idea, suggestion, argument, evidence)
8
thought(noun, concept, creativity, feeling, fancy)
<1234510>
10 years ago|8.4k views|share |citing 
APASmart Define. (2016). supposition thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/supposition/thesaurus/synonyms
ChicagoSmart Define. 2016. "supposition thesaurus" https://smartdefine.org/supposition/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, supposition thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/supposition/thesaurus/synonyms>.
MLASmart Define. "supposition thesaurus" 10 March 2016. Web. 20 September 2026. <https://smartdefine.org/supposition/thesaurus/synonyms>