71 entries under familiar topic. ×

9
au courant(expression, adjective, cool, sensible, alert)
5
abreast(adjective, knowledgeable, competent, aware)
5
au fait(expression, adjective, knowledgeable, expert)
5
informed(adjective, cool, sensible, alert)
4
acquainted(adjective, knowledge, sensible, alert)
4
conversant(adjective, knowledge, sensible, knowledgeable)
3
aware(adjective, cool, sensible, alert)
3
cognizant(adjective, sensible, alert, wise)
3
enlightened(adjective, alert, wise, knowledgeable)
3
knowing(adjective, cool, sharp, smart, sensible)
3
knowledgeable(adjective, cool, sensible, alert)
3
versed(adjective, cool, knowledge, sensible)
3
versed in(expression, adjective, knowledgeable, witting)
3
with it(expression, adjective, cool, sensible, alert)
2
apprehensive(adjective, cool, sensible, alert)
2
apprised(adjective, alert, wise, knowledgeable)
2
at home with(expression, adjective, idiom, knowledgeable)
2
awake(adjective, cool, sensible, alert)
2
conscious(adjective, cool, sensible, alert)
2
grounded(adjective, sensible, alert, wise)
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APASmart Define. (2015). up on thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/up_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "up on thesaurus" https://smartdefine.org/up_on/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, up on thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/up_on/thesaurus/synonyms>.
MLASmart Define. "up on thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/up_on/thesaurus/synonyms>