preposition. See At one, in the Vocabulary.In concord or friendship; in agreement (with each other). e., to be or bring in or to a state of agreement or reconciliation.Of the same opinion; agreed.Together.verb-intransitive. To agree; to be in accordance; to accord.verb-intransitive. To stand as an equivalent; to make reparation, compensation, or amends, for an offense or a crime.v. To set at one; to reduce to concord; to reconcile, as parties at variance; to appease.v. To unite in making.v. To make satisfaction for; to expiate.n. in agreement or concord. See At one, in the Vocab.