Warn

Webster's Dictionary of the English Language

·vt To ward off.

II. Warn ·vt To Refuse.

III. Warn ·vt To give notice to, of approaching or probable danger or evil; to caution against anything that may prove injurious.

IV. Warn ·vt To make ware or aware; to give previous information to; to give notice to; to Notify; to Admonish; hence, to notify or summon by authority; as, to warn a town meeting; to warn a tenant to quit a house.