97 entries under keen topic. ×

5
able(adjective, good, sharp, smart)
5
judicious(adjective, understanding, cool, smooth)
5
sage(adjective, understanding, cool, sharp)
5
sensible(adjective, understanding, cool, smooth)
4
adept(adjective, good, sharp, smart)
4
adroit(adjective, good, smooth, sharp)
4
aware(adjective, understanding, cool, knowledge)
4
deep(adjective, sharp, smart, bright)
4
experienced(adjective, cool, smooth, knowledge)
4
savvy(adjective, understanding, smooth, sharp)
4
talented(adjective, good, sharp, smart)
3
insightful(adjective, understanding, cool, sharp)
3
ingenious(adjective, smooth, sharp, smart)
3
penetrating(adjective, understanding, sharp, smart)
3
percipient(adjective, understanding, cool, sharp)
3
reasonable(adjective, smart, bright, sensible)
3
thinking(adjective, reasonable, smart, bright)
2
awake(adjective, understanding, cool, sharp)
2
calculating(adjective, smooth, reasonable, sharp)
2
crafty(adjective, smooth, sharp, smart)
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APASmart Define. (2016). brainy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/brainy/thesaurus/synonyms
ChicagoSmart Define. 2016. "brainy thesaurus" https://smartdefine.org/brainy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, brainy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/brainy/thesaurus/synonyms>.
MLASmart Define. "brainy thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/brainy/thesaurus/synonyms>