watch

[1]	observe , regard , look at , gaze at/on , take in , contemplate
[2]	look after , tend , mind , keep an eye on , watch over , mind , guard , care for , take care of , safeguard , protect , shield , keep safe , supervise , superintend , chaperon , accompany , attend , (Colloq) babysit (for) , sit (with)
[3]	observe , note , notice , make/take note of , see , pay attention (to) , attend (to) , follow , (take) heed (of) , examine , inspect , scrutinize , pore over , eye , peer at , ogle , make eyes at
[4]	watch (out) for , look for , be on the watch/lookout/alert/qui vive (for) , guard (against) , keep an eye open (for) , be watchful (for) , note , take note/notice of , be vigilant (for/of) , keep (one's) eyes open (for) , keep a (sharp) lookout (for) , be prepared/ready for , be careful of , anticipate , await , wait (for) , look for , (Colloq) keep (one's) eyes peeled/skinned (for) , keep a weather eye open (for)
[5]	observe , follow , watch over , keep an eye on
[6]	view , see , catch , take in
[7]	look on
[8]	look out , watch out
[9]	determine , check , find out , see , ascertain , learn

[1]	ticker
[2]	vigil
[3]	lookout , vigil , surveillance , lookout man , sentinel , observation , lookout , sentry , spotter , scout , picket
[4]	vigil , clock , timepiece , pocket watch , wrist-watch , chronometer
[5]	sentry , sentinel , guard , watchman
[6]	on the watch (for) , on the alert (for) , on the lookout (for) , on (one's) guard (for) , on the qui vive (for) , alert (for/to) , awake (to) , observant (of) , watchful (of) , cautious (of) , wary (of) , vigilant , circumspect