Agreeing

To harmonize in opinion, statement, or action; to be in unison or concord; to be or become united or consistent; to concur.

"all parties agree in the expediency of the law."

To yield assent; to accede;—followed by to.

"to agree to an offer, or to opinion."

To yield assent to; to approve.

To make a stipulation by way of settling differences or determining a price; to exchange promises; to come to terms or to a common resolve; to promise.

An agreement.