Consummate
To carry into completion; to fulfill; to accomplish.
A COMMON-LAW MARRIAGE is consummated when the parties live in a manner intended to bring about public recognition of their relationship as HUSBAND AND WIFE.
To consummate an agreement is to carry it out completely, as in a consummated sale. It is to bring to completion whatever was either intended or undertaken to be done.
Additional topics
Law Library - American Law and Legal InformationFree Legal Encyclopedia: Constituency to Cosigner