term:

Validate

validate vt

-dat·ed
-dat·ing
1 a : to make valid
b : to grant official sanction to by marking
2 : to confirm the validity of (an election)
val·i·da·tion [va-lə-dā-shən]
n

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