a contract perhaps?
or if you're talking about verbally agreeing with what someone says, it may be "Yay" or "Aye" as in voting.
a general agreement
consensus
General Agreement, Technical Agreement/Arrangement
General Agreement, Technical Agreement/Arrangement
The General Agreement on Tariffs and Trade was succeeded by the World Trade Organization.
General Agreement, Technical Agreement/Arrangement
General Agreement, Technical Agreement/Arrangements
General Agreement, Technical Agreement/Arrangement
General Agreement, Technical Agreement/Arrangement
General Agreement, Technical Agreement/Arrangement
General Agreement, Technical Agreement/Arrangement
General Agreement, Technical Agreement/Arrangement