| all eyes |
| all right(expression, pleasant, fair, agreeable, adequate) |
| all there(expression, bright, sharp-witted, quick-thinking) |
| amen(right, perfect, exact, proper, true) |
| apprehensive(adjective, alert, careful, cautious, aware) |
| appropriate(right, perfect, exact, proper, decent) |
| au courant(expression, familiar, careful, aware, attentive) |
| average(pleasant, fair, agreeable, suitable, adequate) |
| be up on(adjective, careful, knowledgeable, cautious, aware) |
| being a pistol(expression, idiom, decent, adequate, qualified) |
| big(cool, pleasant, fair, agreeable, suitable) |
| canny(adjective, smooth, keen, sharp, smart) |
| capable(adjective, smart, bright, decent, adequate) |
| cautious(adjective, keen, alert, careful, aware) |
| chary(adjective, alert, careful, cautious, aware) |
| clean(expert, skilled, capable, skillful, nimble) |
| clear-headed |
| clear-witted |
| clear headed |
| clearheaded |