term:

Incapacitate

incapacitate vt

-tat·ed
-tat·ing
1 : to make legally incapable or ineligible [mental illness alone will not a person from making a valid contract "Landmark Med. Ctr. v. Gauthier, 635 A.2d 1145 (1994)"]
2 : to deprive of capacity or natural power [an injury that s the employee]
in·ca·pac·i·ta·tion [-pa-sə-tā-shən]
n

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.