forestall

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

(transitive) To preclude or bar from happening, render impossible.

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

To anticipate, to act foreseeingly.

To deprive (with of).

(UK, law) To obstruct or stop up, as a road; to stop the passage of a highway; to intercept on the road, as goods on the way to market.