6
aware(adjective, understanding, cool, knowledge, keen)
5
cognizant(adjective, understanding, knowledge, keen, sensible)
4
mindful(adjective, understanding, keen, sensible, certain)
4
sensible(adjective, understanding, knowledge, keen, certain)
4
wise to(expression, adjective, understanding, cool, keen)
3
alive to(expression, adjective, understanding, keen, sensible)
3
aware of
3
hep to(expression, adjective, understanding, cool, keen)
3
in the know(expression, adjective, idiom, cool, sensible)
3
informed of
3
privy(witting, versant, supraliminal)
2
acquainted(adjective, understanding, keen, sensible, certain)
2
alert(adjective, understanding, keen, sensible, certain)
2
alive(adjective, cool, knowledge, sensible, alert)
2
appreciative(adjective, alert, familiar, wise, knowledgeable)
2
apprehensive(adjective, cool, sensible, alert, familiar)
2
apprised(adjective, understanding, keen, sensible, certain)
2
apprised of
2
attentive(adjective, understanding, keen, sensible, certain)
2
au courant(expression, adjective, understanding, cool, keen)
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APASmart Define. (2015). on to thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/on_to/thesaurus/synonyms
ChicagoSmart Define. 2015. "on to thesaurus" https://smartdefine.org/on_to/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, on to thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/on_to/thesaurus/synonyms>.
MLASmart Define. "on to thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/on_to/thesaurus/synonyms>