69 entries under knowledgeable topic. ×

13
au fait(expression, adjective, idiom, adverb, familiar)
11
au courant(expression, adjective, idiom, adverb, present)
9
informed(adjective, adverb, familiar, skilled)
9
acquainted(adjective, adverb, familiar, skilled)
9
versed(adjective, adverb, familiar, skilled)
8
up-to-date(adjective, adverb, present, new, familiar)
7
familiar(adjective, adverb, competent, aware)
7
conversant(adjective, familiar, competent, aware)
5
up(adjective, adverb, present, informal, new)
4
apprised(adjective, familiar, aware, informed)
3
cognizant(adjective, familiar, skilled, aware)
2
up on(expression, adjective, familiar, competent)
2
comprehending(adjective, familiar, skilled, aware)
2
conscious(adjective, familiar, skilled, aware)
2
enlightened(familiar, aware, informed, learned)
2
erudite(adjective, familiar, aware, informed)
2
grounded(adjective, familiar, aware, savvy)
2
hep(adjective, familiar, skilled, aware)
2
proficient(adjective, familiar, skilled, competent)
2
savvy(adjective, familiar, competent, aware)
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APASmart Define. (2015). abreast thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/abreast/thesaurus/synonyms
ChicagoSmart Define. 2015. "abreast thesaurus" https://smartdefine.org/abreast/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, abreast thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/abreast/thesaurus/synonyms>.
MLASmart Define. "abreast thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/abreast/thesaurus/synonyms>