in the future, as into union or possession; become adjoined or entitled; attain by method or succession: today made use of mainly of attainment to a possession, office, or dignity: as, he acceded on property on their vast majority; the home of Hanover acceded to the English throne in 1714.
To come by assent or contract; offer adhesion; yield; surrender: as, to acccdc to 1's terms or request.
How would you define accede?