152 entries under reasonable topic. ×

8
preoccupied(adjective, keen, deep, caring)
7
calculating(adjective, sensible, restrained, alert)
7
considered(adjective, sensible, deliberate, careful)
7
engrossed(adjective, keen, deep, rational)
7
watchful(adjective, sensible, alert, careful)
6
absorbed(adjective, keen, deep, rational)
6
brainy(adjective, keen, heavy, deep)
6
discriminating(adjective, sound, sensible, intelligent)
6
logical(adjective, good, sound, sensible)
6
melancholy(adjective, keen, deep, sober)
6
noble(adjective, good, kind, fair)
6
perceptive(adjective, sound, sharp, smart)
6
rapt(adjective, keen, deep, absorbed)
6
reflecting(adjective, keen, deep, sober)
6
sensible(adjective, good, sound, sharp)
6
subjective(adjective, characteristic, quality, keen)
6
tolerant(adjective, good, understanding, kind, sound)
5
decent(adjective, kind, generous, adequate)
5
magnanimous(adjective, good, understanding, kind)
5
sound(adjective, good, sharp, smart)
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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>