100 entries under knowledgeable topic. ×

2
perceptive(adjective, understanding, cool, sensible, alert)
2
plugged in(expression, adjective, cool, sensible, alert)
2
primed(aware, informed, learned, well-informed)
2
savvy(adjective, understanding, cool, sensible, alert)
2
tuned in(expression, adjective, understanding, cool, sensible)
2
versed(adjective, adverb, cool, sensible, familiar)
2
well-versed
2
wise(adjective, understanding, reasonable, alert, familiar)
2
wise to(expression, adjective, understanding, cool, keen)
2
with it(expression, adjective, understanding, cool, present)
2
witting(adjective, understanding, reasonable, keen, sensible)
1
alive to(expression, adjective, understanding, keen, sensible)
1
at home with(expression, adjective, idiom, familiar)
1
be up on(careful, cautious, aware, attentive)
1
cautious(careful, aware, attentive, wary)
1
chary(careful, cautious, aware, attentive)
1
cognizant of(expression, adjective, savvy, conversant)
1
conscientious(careful, aware, attentive, wary)
1
down with(expression, adjective, sensible, familiar)
1
erudite(adjective, familiar, polite, refined)
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APASmart Define. (2015). au courant thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/au_courant/thesaurus/synonyms
ChicagoSmart Define. 2015. "au courant thesaurus" https://smartdefine.org/au_courant/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, au courant thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/au_courant/thesaurus/synonyms>.
MLASmart Define. "au courant thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/au_courant/thesaurus/synonyms>