114 entries under keen topic. ×

13
conscious(adjective, understanding, open, cool)
13
penetrating(adjective, understanding, strong, sharp)
13
quick-witted(adjective, strong, cool, sharp)
13
sensible(adjective, clear, understanding, open, cool)
13
smart(adjective, understanding, cool, sound, smooth)
12
knowledgeable(adjective, understanding, cool, sound)
11
knowing(adjective, understanding, cool, sound, smooth)
10
responsive(adjective, understanding, open, sharp)
9
on the ball(expression, adjective, idiom, smooth)
9
understanding(noun, adjective, sound, sharp)
8
bright(adjective, open, cool, sharp)
8
canny(adjective, cool, smooth, sharp)
8
cognizant(adjective, understanding, cool, fine)
7
discreet(adjective, understanding, sensible, alert)
7
savvy(adjective, understanding, cool, smooth)
7
sentient(adjective, understanding, open, cool)
6
brainy(adjective, understanding, cool, smooth)
6
receptive(adjective, understanding, open, fine)
6
trenchant(adjective, strong, sharp, intense)
5
adroit(adjective, sharp, smart, bright)
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APASmart Define. (2016). perceptive thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perceptive/thesaurus/synonyms
ChicagoSmart Define. 2016. "perceptive thesaurus" https://smartdefine.org/perceptive/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, perceptive thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perceptive/thesaurus/synonyms>.
MLASmart Define. "perceptive thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/perceptive/thesaurus/synonyms>