100 entries under theory topic. ×

32
assumption(noun, concept, support, action, feeling)
20
guess(noun, verb, concept, feeling, understanding)
18
conjecture(noun, concept, feeling, understanding, philosophy)
18
supposition(noun, concept, feeling, understanding, philosophy)
16
belief(noun, concept, feeling, understanding, philosophy)
16
hypothesis(noun, concept, feeling, understanding, philosophy)
15
surmise(noun, verb, concept, feeling, understanding)
13
presupposition(noun, support, action, feeling, understanding)
12
premise(noun, concept, support, action, philosophy)
10
postulate(noun, concept, support, action, feeling)
9
suspicion(noun, concept, feeling, understanding, philosophy)
8
conclusion(noun, feeling, understanding, mind, view)
8
postulation(noun, understanding, fancy, view, idea)
8
thesis(noun, concept, feeling, understanding, philosophy)
7
basis(noun, concept, action, understanding, philosophy)
7
deduction(noun, feeling, understanding, idea, belief)
7
faith(noun, understanding, idea, belief, hope)
6
opinion(noun, understanding, view, attitude, idea)
6
position(noun, concept, understanding, philosophy, plan)
6
precondition(noun, guesstimate, premise)
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APASmart Define. (2015). presumption thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/presumption/thesaurus/synonyms
ChicagoSmart Define. 2015. "presumption thesaurus" https://smartdefine.org/presumption/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, presumption thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/presumption/thesaurus/synonyms>.
MLASmart Define. "presumption thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/presumption/thesaurus/synonyms>