term:

Terminate

terminate vb

-nat·ed
-nat·ing
vi
: to come to an end in time or effect
vt
1 : to bring to a definite end esp. before a natural conclusion [ a contract] compare cancel, rescind
2 : to discontinue the employment of
ter·mi·na·tion [tər-mə-nā-shən]
n

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