noun
concurrence
Synonyms: acceding, accession, accommodation, accord, accordance, acknowledging, adjustment, affiliation, affinity, alliance, amity, approving, arbitration, arrangement, assenting, authorizing, bargaining, compatibility, compliance, complying, compromise, concert, concession, concord, concordance, concurring, conformity, congruity, consistency, correspondence, endorsing, granting, harmony, mediation, ratifying, reconciliation, similarity, suitableness, sympathy, understanding, union, unison, verification, verifying
Antonyms: disagreement
noun
document of concurrence, contract
Synonyms: acknowledgment, adjudication, affidavit, approval, arrangement, assent, avowal, bargain, bond, cartel, charter, codicil, compact, compromise, confirmation, covenant, deal, indenture, lease, negotiation, note, oath, okay, pact, piece of paper, protocol, recognition, settlement, stipulation, the nod, transaction, treaty, understanding, writ