Definitions for acceder
Random House Webster's College Dictionary
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.
to attain or assume an office, title, or dignity; succeed (usu. fol. by to):
to accede to the throne.
to become a party to an agreement or treaty.
Origin of accede:
1400–50; to approach, adapt to < L accēdere to approach, assent =ac-ac - +cēdere to go; see cede
One who accedes.
one who accedes