71 entries under keen topic. ×

16
knowing(verb, adjective, understanding, sound, smooth)
15
foxy(adjective, mean, smooth, sharp)
14
penetrating(adjective, understanding, sharp, smart)
14
sage(noun, adjective, understanding, cool, sound)
12
alert(adjective, understanding, sharp, smart)
11
adroit(adjective, sharp, smart, bright)
11
knowledgeable(adjective, understanding, cool, sound)
11
percipient(adjective, understanding, cool, sharp)
11
prudent(adjective, hard, kind, sound, reasonable)
10
calculating(adjective, mean, smooth, sharp)
10
judicious(adjective, understanding, cool, sound, smooth)
10
sensible(adjective, understanding, hard, cool, sound)
10
slick(adjective, mean, cool, smooth)
9
brainy(adjective, understanding, cool, smooth)
9
savvy(adjective, understanding, smooth, sharp)
8
aware(adjective, understanding, cool, kind, sound)
7
observant(adjective, understanding, cool, kind)
7
resourceful(adjective, good, sharp, smart)
7
sensitive(adjective, understanding, kind, sharp)
7
smooth(adjective, mean, sharp, smart)
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APASmart Define. (2016). astute thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/astute/thesaurus/synonyms
ChicagoSmart Define. 2016. "astute thesaurus" https://smartdefine.org/astute/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, astute thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/astute/thesaurus/synonyms>.
MLASmart Define. "astute thesaurus" 22 March 2016. Web. 29 September 2026. <https://smartdefine.org/astute/thesaurus/synonyms>