| detecting(alert, intelligent, perceptive, attentive, watchful) |
| discerning(adjective, sharp, smart, alert, intelligent) |
| discovering(alert, intelligent, perceptive, attentive, watchful) |
| discriminating(alert, intelligent, perceptive, attentive, watchful) |
| eager(alert, intelligent, precise, responsive, attentive) |
| fast on the draw(expression, adjective, idiom, sharp, lively) |
| glued(adjective, alert, careful, cautious, attentive) |
| good hands(expression, sharp, bright, lively, wise) |
| guarded(adjective, keen, anxious, alert, careful) |
| heads up(expression, adjective, sharp, bright, lively) |
| hip(sharp, bright, lively, alert, careful) |
| hooked(adjective, alert, careful, cautious, attentive) |
| intentive(alert, intelligent, perceptive, attentive, watchful) |
| interested(alert, intelligent, perceptive, attentive, watchful) |
| jazzed(sharp, bright, lively, alert, careful) |
| knowing(alert, perceptive, conscious, lucid, wakeful) |
| looking for(expression, keen, anxious, alert, careful) |
| looking to(expression, keen, anxious, alert, careful) |
| mindful(alert, intelligent, perceptive, attentive, watchful) |
| not missing a trick(expression, adjective, idiom, alert, careful) |