| advertent(adjective, correct, sympathetic, alert, intelligent) |
| alert(adjective, careful, intelligent, cautious, attentive) |
| alive(adjective, correct, alert, intelligent, attentive) |
| all ears(expression, adjective, ready, alert, careful) |
| attentive(adjective, alert, careful, intelligent, cautious) |
| bright(adjective, alert, intelligent, perceptive, attentive) |
| careful(adjective, alert, cautious, attentive, suspicious) |
| cautious(adjective, alert, careful, attentive, suspicious) |
| chary(adjective, alert, careful, cautious, attentive) |
| circumspect(adjective, alert, careful, cautious, attentive) |
| clear-sighted(adjective, correct, sympathetic, alert, intelligent) |
| comprehending(adjective, correct, sympathetic, alert, intelligent) |
| considering(adjective, correct, alert, intelligent, attentive) |
| contemplating(adjective, correct, alert, intelligent, attentive) |
| correct(adjective, alert, intelligent, perceptive, attentive) |
| deducing(adjective, correct, alert, intelligent, attentive) |
| detecting(adjective, correct, alert, intelligent, attentive) |
| discerning(adjective, correct, alert, intelligent, perceptive) |
| discovering(adjective, correct, alert, intelligent, attentive) |
| discriminating(adjective, correct, alert, intelligent, attentive) |