1
instructed(adjective, familiar, sophisticated, knowledgeable, skilled)
1
intellectual(adjective, sound, knowledgeable, cultured, learned)
1
introduced(adjective, familiar, knowledgeable, aware, savvy)
1
jaded(adjective, refined, practical, cultured, urbane)
1
jet-set(adjective, cool, refined, practical, mature)
1
judicious(adjective, smooth, keen, sharp, smart)
1
keen(adjective, smooth, sharp, smart, wise)
1
kept posted(expression, adjective, familiar, knowledgeable, witting)
1
know-how(adjective, alert, familiar, wise, knowledgeable)
1
know all the answers(expression, adjective, idiom, careful, aware)
1
know ins and outs(expression, adjective, idiom, careful, aware)
1
knowing the score(expression, adjective, idiom, sophisticated, knowledgeable)
1
laid-back(adjective, refined, practical, cultured, urbane)
1
latched on(expression, adjective, alert, familiar, wise)
1
learned(adjective, familiar, knowledgeable, competent, witting)
1
let into
1
lettered(adjective, familiar, knowledgeable, informed, experienced)
1
literary(adjective, sound, familiar, informed, cultured)
1
matured(adjective, familiar, sophisticated, knowledgeable, skilled)
1
mindful of
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APASmart Define. (2015). in the know thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/in_the_know/thesaurus/synonyms
ChicagoSmart Define. 2015. "in the know thesaurus" https://smartdefine.org/in_the_know/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, in the know thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/in_the_know/thesaurus/synonyms>.
MLASmart Define. "in the know thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/in_the_know/thesaurus/synonyms>