watch

a purposeful surveillance to guard or observe

the rite of staying awake for devotional purposes (especially on the eve of a religious festival)

a small portable timepiece

a person employed to keep watch for some anticipated event

a period of time (4 or 2 hours) during which some of a ship's crew are on duty

the period during which someone (especially a guard) is on duty

find out, learn, or determine with certainty, usually by making an inquiry or other effort

I want to see whether she speaks French

See whether it works

observe with attention

They watched as the murderer was executed

observe or determine by looking

Watch how the dog chases the cats away

look attentively

watch a basketball game

see or watch

view a show on television

This program will be seen all over the world

be vigilant, be on the lookout or be careful

Watch out for pickpockets!