| keen eyesight(noun, expression, hawkeye) |
| keep an eye on(verb, expression, idiom, follow, observe) |
| keep tabs on(verb, expression, idiom, follow, observe) |
| lamp(verb, mark, see, notice) |
| leer(fix, scrutinize, eye, stare, gawk) |
| listen(verb, follow, observe, look) |
| long hard look(noun, expression, idiom, study, review) |
| look closely(verb, expression, look, scrutinize, stare) |
| look intently(verb, expression, watch, gaze, gape) |
| look on(verb, expression, consider, regard, perceive) |
| make out(verb, expression, phrasal verb, mark, see) |
| mind(noun, verb, mark, see, note) |
| monitor(verb, mark, see, notice, bug) |
| night watch |
| note(verb, mark, see, notice) |
| observatory(case, watch, guard, post, sentry) |
| observe(verb, consider, see, regard, follow) |
| opinion(noun, taste, sense, judgment) |
| outlook(case, watch, guard, post, sentry) |
| overlook(case, watch, guard, post, sentry) |