152 entries under reasonable topic. ×

5
unselfish(adjective, good, understanding, kind)
5
vigilant(adjective, sensible, deliberate, restrained)
4
analytical(adjective, sound, keen, sensible)
4
astute(adjective, kind, sound, sharp)
4
calm(adjective, sound, sensible, rational)
4
cerebral(adjective, sound, sensible, rational)
4
cool(adjective, good, understanding, kind, sound)
4
enlightened(adjective, sound, sharp, sensible)
4
fair(adjective, good, kind, gentle)
4
good(adjective, kind, gentle, friendly)
4
intelligent(adjective, sound, sharp, smart)
4
keen(adjective, sensible, deep, rational)
4
liberal(adjective, good, kind, fair)
4
moderate(adjective, good, kind, gentle)
4
museful(adjective, keen, thought, deep)
4
philanthropic(adjective, good, kind, gentle)
4
reasoning(adjective, sound, sensible, heavy)
4
thorough(adjective, sensible, deliberate, alert)
4
well-advised(adjective, good, sound, sensible)
3
perspicacious(adjective, sound, sensible, intelligent)
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APASmart Define. (2016). thoughtful thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/thoughtful/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtful thesaurus" https://smartdefine.org/thoughtful/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, thoughtful thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/thoughtful/thesaurus/synonyms>.
MLASmart Define. "thoughtful thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/thoughtful/thesaurus/synonyms>