| enraptured(adjective, attentive) |
| entranced(adjective, attentive) |
| fussbudget(adjective, thorough, meticulous, painstaking) |
| hard-working(adjective, thorough, meticulous, painstaking) |
| hesitant(cautious, suspicious, wary) |
| hip(sharp, bright, lively, alert, familiar) |
| in the know(expression, idiom, alert, familiar, careful) |
| indulgent(adjective, kind, friendly, polite, caring) |
| industrious(adjective, thorough, meticulous, painstaking) |
| intentive(alert, intelligent, attentive, watchful, observant) |
| knowing(adjective, alert, familiar, careful, wise) |
| leery(adjective, careful, thoughtful, sober, cautious) |
| loving(adjective, kind, caring, worried, considerate) |
| obliging(adjective, kind, friendly, polite, caring) |
| on the qui vive(expression, adjective, idiom, sharp, bright) |
| on to(expression, alert, familiar, careful, wise) |
| on your guard(expression, idiom, alert, aware, attentive) |
| paying attention |
| perceptive(adjective, sharp, bright, lively, alert) |
| persevering(adjective, thorough, meticulous, painstaking) |