2
grounded(adjective, sensible, alert, familiar, wise)
2
heedful(adjective, alert, familiar, careful, wise)
2
hep to(expression, adjective, cool, sensible, familiar)
2
hip(adjective, alert, familiar, wise, knowledgeable)
2
in the picture(expression, adjective, idiom, sensible, alert)
2
into(adjective, alert, familiar, wise, refined)
2
know the score(expression, adjective, idiom, alert, familiar)
2
literate(adjective, familiar, knowledgeable, informed, intellectual)
2
mature(adjective, familiar, sophisticated, wise, refined)
2
mill
2
no stranger to(expression, adjective, idiom, familiar, knowledgeable)
2
on the beam(expression, adjective, idiom, sensible, alert)
2
perceptive(adjective, cool, smooth, keen, sharp)
2
plugged in(expression, adjective, cool, sensible, alert)
2
practical(adjective, familiar, sophisticated, wise, refined)
2
practiced(adjective, familiar, sophisticated, wise, refined)
2
sentient(adjective, sensible, alert, familiar, wise)
2
sharp(adjective, smooth, keen, smart, alert)
2
tuned in(expression, adjective, cool, sensible, alert)
2
up on(expression, adjective, cool, sharp, smart)
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APASmart Define. (2015). in the know thesaurus. Retrieved September 27, 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 27, 2026).
HarvardSmart Define 2015, in the know thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/in_the_know/thesaurus/synonyms>.
MLASmart Define. "in the know thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/in_the_know/thesaurus/synonyms>