161 entries under reasonable topic. ×

4
intellectual(adjective, sound, sensible, reasoning)
4
oriented(adjective, sound, rational, stable)
4
politic(adjective, moderate, honest, sensible)
4
thinking(adjective, sound, sensible, reasoning)
4
unromantic(adjective, hard, sound, sensible)
4
unsentimental(adjective, hard, sound, sensible)
3
astute(adjective, hard, sound, sensible)
3
calm(adjective, sound, sensible, rational)
3
common-sense
3
composed(adjective, calm, sound, sensible)
3
fair-minded(adjective, sound, rational, stable)
3
far-sighted(adjective, calm, sound, sensible)
3
hard-headed(adjective, sound)
3
informed(adjective, sensible, rational, stable)
3
perspicacious(adjective, sound, sensible, intelligent)
3
pragmatical(adjective, hard, sound, sensible)
3
reasoning(adjective, sound, sensible, rational)
3
shrewd(adjective, hard, sound, sensible)
2
aware(adjective, sensible, rational, stable)
2
both oars in water(expression, adjective, idiom, sound)
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APASmart Define. (2015). sane thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sane/thesaurus/synonyms
ChicagoSmart Define. 2015. "sane thesaurus" https://smartdefine.org/sane/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sane thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sane/thesaurus/synonyms>.
MLASmart Define. "sane thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/sane/thesaurus/synonyms>