term:

Confirm

confirm vt

1 a : to make valid by necessary formal approval [the debtor's chapter 13 plan ed by the court]
b : to vote approval of [ a nomination]
2 : to give formal acknowledgment of receipt of
3 : to remove doubt about by authoritative act or indisputable fact [a consent decree ing Capt. Brown's right to his cargo "W. G. Young"]

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