Incapacitate

Webster's Dictionary of the English Language

·vt To deprive of legal or constitutional requisites, or of ability or competency for the performance of certain civil acts; to Disqualify.

II. Incapacitate ·vt To deprive of capacity or natural power; to Disable; to render incapable or unfit; to Disqualify; as, his age incapacitated him for war.