251 entries under reasonable topic. ×

7
sage(adjective, sound, sensible, rational)
7
sober(adjective, good, sound, sensible)
6
discerning(adjective, clear, sound, sensible)
6
levelheaded(adjective, good, sound, sensible)
6
natural(adjective, sensible, ordinary, usual)
6
proper(valid, tolerable, lawful, permissible)
5
prudent(adjective, good, sound, sensible)
5
relevant(adjective, clear, sound, rational)
5
admissible(adjective, sensible, natural, consideration)
5
clear(adjective, sound, plain, rational)
5
deductive(adjective, sound, sensible, reasoning)
5
germane(adjective, clear, sound, rational)
5
inductive(adjective, adverb)
5
just(adjective, good, sound, right)
5
lawful(adjective, good, sound, right)
5
normal(adjective, sound, sensible, common)
5
perceptive(adjective, clear, sound, alert)
5
pertinent(adjective, clear, sound, rational)
5
reasoned(adjective, sound, sensible, rational)
5
reasoning(noun, adjective, sound, sensible)
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APASmart Define. (2015). logical thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/logical/thesaurus/synonyms
ChicagoSmart Define. 2015. "logical thesaurus" https://smartdefine.org/logical/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, logical thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/logical/thesaurus/synonyms>.
MLASmart Define. "logical thesaurus" 19 October 2015. Web. 23 September 2026. <https://smartdefine.org/logical/thesaurus/synonyms>