Signaled

The policeman signaled the car to stop with a flashlight.

The policeman signaled him to stop.

I signaled the car to go slow.

He signaled them to stop.

He signaled that I should follow him.

Using a flashlight, the policeman signaled the car to stop.

My mother signaled for Alice to follow her.

No one knew what the alarm signaled when it sounded that afternoon, but, with the exception of those few unlucky enough to have been so engrossed in their work as to not notice it, everyone made it out of the building alive.

The policeman signaled me to stop.

Tom signaled Mary with a nod.