OK, acquiescent, acquiescing, agreeing, all right, amen, arranged, assentatious, assenting, aye, be it so, compacted, compliant, conceding, concessive, consenting, content, contracted, covenanted, done, engaged, promised, sealed, settled, signed, so be it, so is it, so it is, stipulated, submissive, undertaken, yea, yep, you bet