| eagle |
| far-seeing |
| heedful(alert, intelligent, attentive, watchful, sharp-eyed) |
| intentive(correct, alert, intelligent, perceptive, attentive) |
| interested(correct, alert, intelligent, perceptive, attentive) |
| keen(adjective, alert, intelligent, perceptive, attentive) |
| keen-eyed |
| mindful(adjective, correct, alert, intelligent, perceptive) |
| nearsighted(adjective, seeing, sighted) |
| not missing a trick(expression, idiom, correct, alert, intelligent) |
| obedient(correct, alert, intelligent, perceptive, attentive) |
| observative(correct, alert, intelligent, perceptive, attentive) |
| on the ball(expression, idiom, alert, intelligent, attentive) |
| open-eyed |
| penetrating(correct, alert, intelligent, perceptive, attentive) |
| prudent |
| questioning(correct, alert, intelligent, perceptive, attentive) |
| quick(alert, intelligent, perceptive, attentive, watchful) |
| regardful(adjective, correct, alert, intelligent, attentive) |
| searching(correct, alert, intelligent, perceptive, attentive) |