81 entries under knowledgeable topic. ×

12
au courant(expression, adjective, adverb, familiar)
9
aware(adjective, familiar, current, skilled)
8
abreast(adjective, adverb, familiar, skilled)
8
informed(adjective, adverb, familiar, skilled)
6
experienced(adjective, good, keen, smart, familiar)
6
familiar(adjective, adverb, competent, aware)
6
learned(adjective, keen, smart, familiar, intelligent)
6
proficient(adjective, good, keen, smart, familiar)
6
up on(expression, adjective, familiar, expert)
5
conversant(adjective, familiar, competent, aware)
5
knowing(adjective, familiar, skilled, competent)
4
acquainted(adjective, adverb, familiar, skilled)
4
enlightened(adjective, familiar, aware, informed)
4
savvy(adjective, keen, smart, familiar, intelligent)
4
skilled(adjective, keen, smart, familiar, suitable)
4
versed(adjective, adverb, familiar, skilled)
3
cognizant(adjective, familiar, current, skilled)
3
hip(adjective, familiar, current, skilled)
3
in the know(expression, adjective, idiom, familiar)
3
up(adjective, adverb, good, familiar, intelligent)
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APASmart Define. (2015). au fait thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/au_fait/thesaurus/synonyms
ChicagoSmart Define. 2015. "au fait thesaurus" https://smartdefine.org/au_fait/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, au fait thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/au_fait/thesaurus/synonyms>.
MLASmart Define. "au fait thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/au_fait/thesaurus/synonyms>