What is another word for "concession"?

Roget's Thesaurus (1911) lists these synonyms for "concession": abate, abatement, abide, accede, accept, acceptance, accession, acknowledge, acknowledgment, acquiesce, acquiescence, adjust, adjustment, admit, agio, agnition, agnize, agree, agreement, all, allow, allowance, and, approval, arbitration, arrange, assent, backwardation, bargain, bate, below, best, bridge, business, close, come, commutation, commute, compensation, compliance.