72 entries under rational topic. ×

2
phrenic(heavy, intelligent, thoughtful, knowledgeable)
2
reasoning(adjective, reasonable, keen, heavy, deep)
2
subconscious(adjective, intellect, emotional, intellectual)
2
subliminal(adjective, heavy, intellect, intellectual)
2
thinking(adjective, reasonable, keen, heavy, deep)
1
absorbed(adjective, reasonable, keen, deep)
1
analytical(adjective, reasonable, keen, deep)
1
calculating(adjective, reasonable, keen, deep)
1
cogitative(adjective, reasonable, keen, deep)
1
deep(adjective, reasonable, keen, heavy)
1
deliberative(adjective, reasonable, keen, deep)
1
discerning(adjective, reasonable, keen, deep)
1
earnest(adjective, reasonable, keen, deep)
1
engrossed(adjective, reasonable, keen, deep)
1
farsighted(adjective, reasonable, keen, deep)
1
grave(adjective, reasonable, keen, deep)
1
intellective(intelligent, thoughtful, emotional, knowledgeable)
1
intent(adjective, reasonable, keen, deep)
1
keen(adjective, reasonable, deep, sober)
1
levelheaded(adjective, reasonable, keen, deep)
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APASmart Define. (2015). subjective thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/subjective/thesaurus/synonyms
ChicagoSmart Define. 2015. "subjective thesaurus" https://smartdefine.org/subjective/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, subjective thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/subjective/thesaurus/synonyms>.
MLASmart Define. "subjective thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/subjective/thesaurus/synonyms>