What is another word for "ratification"?

Roget's Thesaurus (1911) lists these synonyms for "ratification": accede, accept, acceptance, accession, acknowledge, acknowledgment, acquiesce, acquiescence, adjustment, admit, agent, agnition, agnize, agree, agreement, all, allow, and, approval, assent, attest, bargain, barter, bond, candle, cartel, caveat, charter, clench, close, come, compact, complete, completion, compliance, comply, compromise, concede, concession, conclude.