Dictionary

To prevent, delay or hinder something by taking precautionary or anticipatory measures; to avert.

Example: Fred forestalled disaster by his prompt action.

To preclude or bar from happening, render impossible.

To purchase the complete supply of a good, particularly foodstuffs, in order to charge a monopoly price.

To anticipate, to act foreseeingly.

An ambush; plot; an interception; waylaying; rescue.

Something situated or placed in front.