watch

To look or observe attentively or carefully; be closely observant.

To look and wait expectantly or in anticipation.

To act as a spectator; look on.

To stay awake at night while serving as a guard, sentinel, or watcher.

To stay alert as a devotional or religious exercise; keep vigil.

To look at steadily; observe carefully or continuously.

To guard, keep surveillance on, or spy on.

To observe the course of mentally; keep up on or informed about.

To pay close attention to or be careful about, especially with regard to propriety.

To tend or take care of (a flock or children, for example). synonym: tend.