Accede

Webster's Dictionary of the English Language

·vi To enter upon an office or dignity; to Attain.

II. Accede ·vi To Approach; to come forward;

— opposed to recede.

III. Accede ·vi To become a party by associating one's self with others; to give one's adhesion. Hence, to agree or assent to a proposal or a view; as, he acceded to my request.