| delicate |
| demanding |
| discriminating(adjective, reasonable, alert, careful, intelligent) |
| disturbed(adjective, excited) |
| dreamy(thoughtful, thinking, meditative) |
| eager(adjective, set, kind, determined, active) |
| eagle-eyed(adjective, alert, intelligent, watchful, sharp-eyed) |
| engaged(adjective, set, deep, fixed, involved) |
| enraptured |
| exhilarated(adjective, excited) |
| feverish(adjective, excited) |
| fixed(adjective, absorbed, watchful, concentrated, rapt) |
| good(adjective, kind, friendly, tender, sympathetic) |
| heeding(adjective, observant, hearing) |
| hip(sharp, bright, lively, alert, familiar) |
| in the know(expression, idiom, alert, familiar, careful) |
| indulgent(adjective, kind, friendly, polite, caring) |
| informed(adjective, understanding, reasonable, keen, sensible) |
| insomniac(careful, restless, disturbed, awake, sleepless) |
| intentive(alert, intelligent, watchful, observant, sharp-eyed) |