›[U]the act of approving or accepting something, or the fact of having the same opinion about something: be in agreement with sb/sthMost of the county's lawmakers are in agreement with administration officials on the proposal.complete/total/widespread agreementThere is widespread agreement that changes need to be made, but there is disagreement about how it should be conducted.be in agreement thatAll area superintendents are in agreement that both constitutional reform and tax reform are necessary now.