103 entries under rational topic. ×

1
believable(adjective, sound, sensible, intelligent)
1
clear-cut(adjective, sound, sensible, intelligent)
1
commonsensical(adjective, good, sound, reasonable, sensible)
1
consequent(adjective, good, sound, sensible, fair)
1
consistent(adjective, sound, sensible, intelligent)
1
credible(adjective, sound, sensible, intelligent)
1
emotional(adjective, kind, soft, sympathetic)
1
equitable(adjective, good, kind, sound, reasonable)
1
heavy(dull, quiet, deep, sober)
1
intellective(intelligent, knowledgeable, intellectual, mental)
1
justifiable(adjective, sound, sensible, intelligent)
1
learned(sound, sharp, deep, serious)
1
levelheaded(adjective, good, sound, reasonable, sensible)
1
mysterious(heavy, deep, intellectual, supernatural)
1
perceiving(adjective, sound, sensible, intelligent)
1
phrenic(heavy, intelligent, knowledgeable, intellectual)
1
plausible(adjective, sound, sensible, intelligent)
1
psychical(adjective, reasoning, intellectual, supernatural)
1
psychological(intelligent, knowledgeable, intellectual, supernatural)
1
ratiocinative(adjective, sound, reasonable, sensible)
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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>