36 entries under rational topic. ×

1
deep(adjective, reasonable, keen, thoughtful)
1
deliberating(adjective, intelligent, thoughtful)
1
discerning(adjective, reasonable, keen, sensible, deep)
1
earnest(adjective, reasonable, keen, deep)
1
farsighted(adjective, reasonable, keen, deep)
1
grave(adjective, reasonable, keen, deep)
1
intent(adjective, reasonable, keen, deep)
1
keen(adjective, reasonable, sensible, deep)
1
levelheaded(adjective, reasonable, keen, deep)
1
melancholy(adjective, reasonable, keen, deep)
1
museful(adjective, reasonable, keen, deep)
1
reasonable(adjective, keen, sensible, deep)
1
retrospective(adjective, reasonable, keen, deep)
1
studious(adjective, reasonable, keen, deep)
1
subjective(adjective, reasonable, keen, deep)
0
sophisticated(intelligent, thoughtful)
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APASmart Define. (2015). cogitative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/cogitative/thesaurus/synonyms
ChicagoSmart Define. 2015. "cogitative thesaurus" https://smartdefine.org/cogitative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, cogitative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/cogitative/thesaurus/synonyms>.
MLASmart Define. "cogitative thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/cogitative/thesaurus/synonyms>