AGREEMENT n. 2 definitions
State of agreeing; harmony of opinion, statement, action, or character; concurrence; concord; conformity; as, a good agreement subsists among the members of the council. What agreement hath the temple of God with idols 2 Cor. vi. 16. Expansion and duration have this further agreement. Locke.
AT ONE n.
In concord or friendship; in agreement (with each other); as, to be, bring, make, or set, at one, i. e., to be or bring in or to a state of agreement or reconciliation. If gentil men, or othere of hir contree Were wrothe, she wolde bringen hem atoon. Chaucer.