165 entries under familiar topic. ×

1
advised(adjective, aware, informed, conversant)
1
alive(adjective, cool, sensible, alert)
1
appraised(adjective, alert, wise, knowledgeable)
1
at home with(expression, adjective, idiom, knowledgeable)
1
been there(expression, adjective, sophisticated, knowledgeable)
1
brainy(adjective, smooth, keen, sharp, smart)
1
broken in(expression, adjective, sophisticated, knowledgeable)
1
capable(adjective, sophisticated, knowledgeable, skilled)
1
civilized(adjective, knowledgeable, informed)
1
competent(adjective, sophisticated, knowledgeable, skilled)
1
cultured(adjective, refined, knowledgeable, practical)
1
discerning(adjective, smooth, keen, sharp, smart)
1
dynamite(adjective, sophisticated, knowledgeable, skilled)
1
erudite(adjective, refined, knowledgeable, aware)
1
expert(adjective, knowledgeable, qualified, cultured)
1
go-go(adjective, alert, wise, knowledgeable)
1
groovy(adjective, cool, alert, wise)
1
hip to(expression, adjective, cool, sensible)
1
in on(expression, adjective, cool, sensible)
1
in to(expression, adjective, wise, knowledgeable)
11 years ago|8.6k views|share |citing 
APASmart Define. (2015). in the know thesaurus. Retrieved September 29, 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 29, 2026).
HarvardSmart Define 2015, in the know thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/in_the_know/thesaurus/synonyms>.
MLASmart Define. "in the know thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/in_the_know/thesaurus/synonyms>