81 entries under knowledgeable topic. ×

2
educated(conversant, well-versed)
2
expert(aware, informed, learned, well-informed)
2
grounded(adjective, sensible, alert, familiar, wise)
2
hip(adjective, alert, familiar, wise)
2
in the know(expression, adjective, idiom, cool, sharp)
2
in the picture(expression, adjective, idiom, sensible, alert)
2
know the score(expression, adjective, idiom, alert, familiar)
2
mindful(adjective, alert, familiar, wise)
2
on the beam(expression, adjective, idiom, sensible, alert)
2
on to(expression, adjective, cool, sensible, alert)
2
perceptive(adjective, cool, sharp, smart, sensible)
2
plugged in(expression, adjective, cool, sensible, alert)
2
posted(aware, informed, learned, well-informed)
2
primed(adjective, set, ready, qualified)
2
savvy(adjective, cool, sharp, smart, sensible)
2
sensible(adjective, sharp, smart, alert, familiar)
2
sentient(adjective, sensible, alert, familiar, wise)
2
tuned in(expression, adjective, cool, sensible, alert)
2
up(adjective, set, ready, familiar)
2
up-to-date(current, aware, informed, learned)
11 years ago|1.7k views|share |citing 
APASmart Define. (2015). up on thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/up_on/thesaurus/synonyms
ChicagoSmart Define. 2015. "up on thesaurus" https://smartdefine.org/up_on/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, up on thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/up_on/thesaurus/synonyms>.
MLASmart Define. "up on thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/up_on/thesaurus/synonyms>