| eagle-eyed(adjective, intelligent, attentive, watchful, sharp-eyed) |
| enjoin(verb, order, tell, prompt, caution) |
| fascinated(adjective, considerate, responsive, aware, attentive) |
| fastidious(adjective, thoughtful, sober, cautious, prudent) |
| fleet(sharp, lively, fast, quick, robust) |
| fussy(adjective, thoughtful, sober, cautious, prudent) |
| give notice(verb, expression, idiom, report, advise) |
| guide(verb, order, sign, prompt, indicate) |
| hearkening(adjective, attentive, observant) |
| hip(adjective, lively, familiar, wise, knowledgeable) |
| immersed(adjective, set, deep, caring, thoughtful) |
| indication(noun, sign, notice, indication, caution) |
| informed(adjective, understanding, keen, sensible, certain) |
| nod(verb, sign, indicate, caution, signal) |
| note(verb, indicate) |
| on one's toes(expression, adjective, idiom, lively, attentive) |
| percipient(adjective, understanding, keen, sharp, sensible) |
| precise(adjective, thoughtful, sober, cautious, prudent) |
| sagacious(adjective, understanding, keen, smart, bright) |
| sage(adjective, understanding, keen, smart, bright) |