1. to give one's consent, approval, or adherence by yielding; give in; agree; assent: to accede to a request; to accede to the terms of a contract. 2. to attain or assume an office, title, or dignity; succeed (usu. fol. by to): to accede to the throne. 3. to become a party to an agreement or treaty. ac•ced′ence, n. ac•ced′er, n. More @Wikipedia
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