42
philosophy(noun, position, knowledge, reason, attitude)
32
thinking(noun, verb, adjective, understanding, philosophy)
31
understanding(noun, adjective, feeling, philosophy, character)
21
thought(noun, adjective, study, feeling, understanding)
20
rational(adjective, sound, reasonable, sensible, heavy)
18
conviction
17
proof(noun, reason, case, claim, analysis)
17
knowledge(noun, feeling, understanding, note, mind)
16
conclusion(noun, conjecture, assumption, presumption, deduction)
15
reason(noun, feeling, understanding, power, philosophy)
14
belief(noun, philosophy, position, idea, opinion)
13
axiom(noun, attitude, thinking, viewpoint)
13
perspicuity
13
truth(noun, attitude, thinking, viewpoint)
12
consequence(noun, conclusion, assumption, inference)
12
absoluteness
12
actuality
12
analysis(noun, study, determination, class, exercise)
12
articulateness
12
assurance
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APASmart Define. (2015). Reasoning thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/reasoning/thesaurus/synonyms
ChicagoSmart Define. 2015. "Reasoning thesaurus" https://smartdefine.org/reasoning/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, Reasoning thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/reasoning/thesaurus/synonyms>.
MLASmart Define. "Reasoning thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/reasoning/thesaurus/synonyms>