Ant. Disregarding, omitting.
Concert. Agreement, harmony, concord, concordance, combination, union, association.
Ant. Opposition, disagreement, discord.
Concession. Surrender, grant, boon, acknowledgment, admission.
Ant. Refusal, denial, withdrawal.
Conciliate. Win, gain, pacify, reconcile, propitiate.
Ant. Alienate, irritate, estrange, lose, antagonize.
Concise. Succinct, condensed, terse, pregnant, pointed, brief, short, laconic.
Ant. Prolix, verbose, diffuse, discursive, rambling, pointless.
Conclave. Assembly, synod, cabinet, council, bureau.