start

The beginning of something in place or time.

Example: We went back to the start.

A movement in reaction to surprise.

Example: I surprised him and he gave a start.

A surprise, often not pleasant.

Example: She gave him quite a start.

To begin; to do something for the first time.

Example: They started the race in first place.

To make a machine begin to work.

Example: I will start the car.