accede

Etymology

First attested in the early 15th century. From Middle English acceden, from Latin accēdō (“approach, accede”), formed from ad (“to, toward, at”) + cēdō (“move, yield”) (English cede). Compare French accéder. Unrelated to ascend, aside from the common ad prefix.

verb

1. (archaic, intransitive) To approach; to arrive, to come forward.
2. (intransitive, now rare) To give one's adhesion; to join up with (a group, etc.); to become part of.
3. (intransitive) To agree or assent to a proposal or a view; to give way.
4. (intransitive) To come to an office, state or dignity; to attain, assume (a position).
   Maintenon had been governess to the children in the late 1670s before acceding to the king's favours. 2002, Colin Jones, The Great Nation, Penguin, published 2003, page 32
5. (intransitive) To become a party to an agreement or a treaty.