| apprehensive(adjective, cool, deliberate, excited, ready) |
| attention |
| bright(adjective, cool, sharp, lively, alert) |
| canny(adjective, cool, reasonable, sensible, restrained) |
| cognizant(adjective, understanding, cool, keen, sensible) |
| concentrating(adjective, considerate, responsive, aware, attentive) |
| considering(adjective, alert, intelligent, attentive, watchful) |
| conversant(adjective, understanding, cool, keen, sensible) |
| eager(alert, intelligent, precise, responsive, attentive) |
| engrossed(adjective, attentive) |
| exacting(adjective, thoughtful, sober, cautious, prudent) |
| fascinated(adjective, considerate, responsive, aware, attentive) |
| fastidious(adjective, thoughtful, sober, cautious, prudent) |
| finicky(adjective, careful, thoughtful, sober, attentive) |
| focused(adjective, feature, characteristic, detail) |
| gingerly(restrained, careful, reserved, cautious, prudent) |
| immersed(adjective, considerate, responsive, aware, attentive) |
| informed(adjective, understanding, keen, sensible, certain) |
| keen-eyed |
| knowing(adjective, understanding, keen, sensible, certain) |