term:

Ratify

ratify vt

-fied
-fy·ing
: to make valid or effective
;esp
: to adopt or affirm (as the prior act or contract of an agent) by express or implied consent with the effect of original authorization [unable to rescind the contract because he ratified it by accepting the benefits] compare reform
rat·i·fi·ca·tion [ra-tə-fə-kā-shən]
n

rat·i·fi·er [ra-tə-fī-ər]
n