7
notion(noun, form, concept, end, feeling)
7
possibility(noun, idea, belief, guess, theory)
6
assertion(noun, position, idea, claim, argument)
6
inference(noun, concept, feeling, fancy, mind)
6
axiom(noun, understanding, suggestion, trust, confidence)
6
ground(noun, position, idea, claim, argument)
6
guesswork(noun, concept, feeling, understanding, philosophy)
6
proposal(noun, concept, understanding, philosophy, plan)
6
surmisal(noun, feeling, belief, conclusion, theory)
5
conclusion(noun, form, concept, end, feeling)
5
contention(noun, position, claim, argument, notion)
5
principle(noun, concept, action, philosophy, reason)
4
concept(noun, form, law, end, feeling)
4
condition(noun, idea, belief, suggestion, guess)
4
feeling(noun, form, concept, end, understanding)
4
foundation(noun, concept, understanding, philosophy, plan)
4
rationale(noun, concept, action, understanding, philosophy)
4
statement(noun, idea, evidence, notion, principle)
4
thought(noun, form, concept, end, feeling)
3
argument(noun, understanding, position, idea, claim)
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APASmart Define. (2015). hypothesis thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/hypothesis/thesaurus/synonyms
ChicagoSmart Define. 2015. "hypothesis thesaurus" https://smartdefine.org/hypothesis/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, hypothesis thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/hypothesis/thesaurus/synonyms>.
MLASmart Define. "hypothesis thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/hypothesis/thesaurus/synonyms>