96 entries under familiar topic. ×

3
hip(adjective, knowledgeable, current, skilled)
3
in the know(expression, adjective, idiom, knowledgeable)
3
intelligent(adjective, keen, smart, skilled)
3
on the ball(expression, adjective, idiom, decent)
3
sage(adjective, informed, well-informed)
3
up(adjective, adverb, good, intelligent)
2
advised
2
alert(adjective, skilled, competent, informed)
2
discerning(adjective, informed, well-informed)
2
erudite(adjective, knowledgeable, aware, informed)
2
hep(adjective, knowledgeable, skilled, aware)
2
perceptive(adjective, knowledgeable, skilled, informed)
2
percipient(adjective, knowledgeable, skilled, aware)
2
sagacious(adjective, informed, well-informed)
2
skillful(adjective, keen, smart, suitable)
2
up to snuff(expression, adjective, idiom, keen)
2
wise to(expression, adjective, expert, informed)
1
appreciative(adjective, informed, learned, educated)
1
apprised(adjective, knowledgeable, aware, informed)
1
at home with(expression, adjective, idiom, knowledgeable)
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APASmart Define. (2015). au fait thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/au_fait/thesaurus/synonyms
ChicagoSmart Define. 2015. "au fait thesaurus" https://smartdefine.org/au_fait/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, au fait thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/au_fait/thesaurus/synonyms>.
MLASmart Define. "au fait thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/au_fait/thesaurus/synonyms>