1
all eyes
1
all right(expression, pleasant, fair, agreeable, adequate)
1
all there(expression, bright, sharp-witted, quick-thinking)
1
amen(right, perfect, exact, proper, true)
1
apprehensive(adjective, alert, careful, cautious, aware)
1
appropriate(right, perfect, exact, proper, decent)
1
au courant(expression, familiar, careful, aware, attentive)
1
average(pleasant, fair, agreeable, suitable, adequate)
1
be up on(adjective, careful, knowledgeable, cautious, aware)
1
being a pistol(expression, idiom, decent, adequate, qualified)
1
big(cool, pleasant, fair, agreeable, suitable)
1
canny(adjective, smooth, keen, sharp, smart)
1
capable(adjective, smart, bright, decent, adequate)
1
cautious(adjective, keen, alert, careful, aware)
1
chary(adjective, alert, careful, cautious, aware)
1
clean(expert, skilled, capable, skillful, nimble)
1
clear-headed
1
clear-witted
1
clear headed
1
clearheaded
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APASmart Define. (2015). on the ball thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on_the_ball/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the ball thesaurus" https://smartdefine.org/on_the_ball/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, on the ball thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_the_ball/thesaurus/synonyms>.
MLASmart Define. "on the ball thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/on_the_ball/thesaurus/synonyms>