44 entries under reasonable topic. ×

11
rational(adjective, clear, sound, reason)
8
analytical(adjective, clear, sound, reason)
5
logical(adjective, clear, sound, reason)
5
reasoning(adjective, sound, sensible, rational)
5
sensible(adjective, clear, sound, fair)
4
deductive(adjective, sound, sensible, reasoning)
4
sound(adjective, clear, sensible, fair)
3
intellectual(adjective, sound, sensible, reasoning)
3
judicious(adjective, clear, sound, sensible)
3
thinking(adjective, sound, sensible, reasoning)
3
wise(adjective, clear, sound, sensible)
2
discerning(adjective, clear, sound, sensible)
2
lucid(adjective, clear, sound, sensible)
2
normal(adjective, sound, sensible, reasoning)
2
sane(adjective, sound, sensible, rational)
2
sober(adjective, sound, sensible, rational)
1
all there(expression, adjective, sound, sensible)
1
cerebral(adjective, sound, sensible, rational)
1
cognitive(adjective, sound, sensible, rational)
1
cool(adjective, sound, sensible, rational)
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APASmart Define. (2015). ratiocinative thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/ratiocinative/thesaurus/synonyms
ChicagoSmart Define. 2015. "ratiocinative thesaurus" https://smartdefine.org/ratiocinative/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, ratiocinative thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/ratiocinative/thesaurus/synonyms>.
MLASmart Define. "ratiocinative thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/ratiocinative/thesaurus/synonyms>