103 entries under rational topic. ×

24
contemplative(adjective, characteristic, set, quality, sound)
23
reflective(adjective, characteristic, quality, sound, reasonable)
21
meditative(adjective, characteristic, set, quality, severe)
20
prudent(adjective, good, kind, sound, reasonable)
19
pensive(adjective, characteristic, set, quality, severe)
16
cogitative(adjective, reasonable, keen, sensible)
14
introspective(adjective, characteristic, quality, experience, thought)
14
ruminative(adjective, intelligent, thinking, absorbed)
13
circumspect(adjective, understanding, kind, sound, reasonable)
12
judicious(adjective, good, sound, reasonable, sharp)
12
sober(adjective, good, dull, quiet, sound)
12
wise(adjective, good, sound, reasonable, sharp)
10
studious(adjective, deliberate, thought, careful)
10
thinking(adjective, sound, reasonable, sensible, heavy)
9
deliberative(adjective, reasonable, keen, care, thought)
9
discerning(adjective, sound, reasonable, sharp, smart)
9
intellectual(adjective, good, sound, reasonable, smart)
8
deliberate(adjective, quiet, set, kind, sound)
8
philosophical(adjective, thought, deep, intelligent)
7
engrossed(adjective, reasonable, keen, deep)
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APASmart Define. (2016). thoughtful thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/thoughtful/thesaurus/synonyms
ChicagoSmart Define. 2016. "thoughtful thesaurus" https://smartdefine.org/thoughtful/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, thoughtful thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/thoughtful/thesaurus/synonyms>.
MLASmart Define. "thoughtful thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/thoughtful/thesaurus/synonyms>