verb

• (archaic, intransitive) To approach; to arrive, to come forward.
• (intransitive, now rare) To give one's adhesion; to join up with (a group, etc.); to become part of.
• (intransitive) To agree or assent to a proposal or a view; to give way.
  "But in 1874 the editors of Scribner’s Monthly requested me to publish a popular account of the Colorado exploration in that journal. To this I acceded and prepared four short articles, which were elaborately illustrated from photographs in my possession."
• (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."