86 entries under expression topic. ×

11
au fait(adjective, idiom, adverb, familiar)
8
in the know(adjective, idiom, cool, sensible)
7
au courant(adjective, understanding, cool, sensible)
3
up on(adjective, cool, sensible, alert)
3
well informed(adjective, idiom, knowledge, experience)
3
well up in(adjective, idiom, smart, experience)
3
with it(adjective, understanding, cool, sensible)
2
hip to(adjective, cool, sensible, familiar)
2
on to(adjective, understanding, cool, sensible)
2
plugged in(adjective, cool, sensible, alert)
2
wise to(adjective, understanding, cool, keen)
1
tuned in(adjective, understanding, cool, keen)
1
alive to(careful, cautious, aware, attentive)
1
all around(suitable, adequate, competent, capable)
1
be familiar with
1
been around(familiar, skilled, qualified, informed)
1
been there(familiar, skilled, qualified, informed)
1
broken in(familiar, skilled, qualified, informed)
1
down with(adjective, sensible, familiar, skilled)
1
having something on the ball(idiom, familiar, skilled, qualified)
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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>