100 entries under knowledgeable topic. ×

11
au fait(expression, adjective, adverb, familiar)
10
aware(adjective, understanding, cool, reasonable, keen)
9
cognizant(adjective, understanding, reasonable, keen, sensible)
9
informed(adjective, adverb, understanding, cool, reasonable)
8
abreast(adjective, adverb, present, new, familiar)
8
enlightened(adjective, alert, familiar, wise, refined)
8
up on(expression, adjective, cool, sensible, alert)
7
familiar(adjective, adverb, cool, sensible, alert)
6
up-to-date(adjective, adverb, present, knowledge, unusual)
5
conscious(adjective, understanding, cool, reasonable, keen)
5
conversant(adjective, understanding, reasonable, keen, sensible)
5
hip(adjective, informal, alert, familiar, wise)
5
mindful(adjective, understanding, keen, sensible, certain)
4
alive(adjective, cool, sensible, alert, familiar)
4
knowing(adjective, understanding, cool, reasonable, keen)
3
acquainted(adjective, understanding, keen, sensible, certain)
3
awake(adjective, understanding, cool, keen, sensible)
3
in the know(expression, adjective, idiom, cool, sensible)
3
posted(adjective, familiar, aware, informed)
3
sensible(adjective, understanding, reasonable, keen, certain)
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APASmart Define. (2015). au courant thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/au_courant/thesaurus/synonyms
ChicagoSmart Define. 2015. "au courant thesaurus" https://smartdefine.org/au_courant/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, au courant thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/au_courant/thesaurus/synonyms>.
MLASmart Define. "au courant thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/au_courant/thesaurus/synonyms>