76 entries under cool topic. ×

3
apprehensive(adjective, sensible, alert, significant)
3
deliberate(adjective, significant, intelligent, brilliant)
3
observant(adjective, understanding, keen, sharp)
3
quick(adjective, understanding, keen, sharp)
3
up on(expression, adjective, sensible, alert)
3
with it(expression, adjective, understanding, sensible)
3
worldly-wise(adjective, significant, familiar, life)
2
alive(adjective, smart, bright, sensible)
2
awake(adjective, understanding, keen, sharp)
2
crack(adjective, significant, intelligent, brilliant)
2
hip to(expression, adjective, sensible, familiar)
2
judicious(adjective, understanding, sound, keen)
2
on to(expression, adjective, understanding, sensible)
2
plugged in(expression, adjective, sensible, alert)
2
sentient(adjective, understanding, sensible, alert)
2
sophic(adjective, understanding, smooth, keen)
2
wise to(expression, adjective, understanding, keen)
1
tuned in(expression, adjective, understanding, keen)
1
groovy(adjective, alert, familiar, wise)
1
hep to(expression, adjective, understanding, sensible)
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APASmart Define. (2015). knowledgeable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/knowledgeable/thesaurus/synonyms
ChicagoSmart Define. 2015. "knowledgeable thesaurus" https://smartdefine.org/knowledgeable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, knowledgeable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/knowledgeable/thesaurus/synonyms>.
MLASmart Define. "knowledgeable thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/knowledgeable/thesaurus/synonyms>