To rescue or keep someone or something from harm.

• To keep something safe; to preserve.

To spare someone effort, time, or unpleasantness.

• To make something unnecessary; to obviate.

To avoid wasting; to economize.

• To reduce use of money, energy, or resources.

To keep something for later use.

• To reserve for a purpose or person.

To write data to a file or storage device.

• To preserve digital work for later use.

In sports, to stop a shot or prevent a score.

• To preserve a lead, especially as a relief pitcher.

A stop that prevents an opponent from scoring.

• A goalkeeper’s block or catch.

A relief pitcher’s credited preservation of a lead.

• A recorded statistic for finishing a win.

The act or result of saving data.

• A stored game or document state.

Except; with the exception of.

Except that; unless.