abdicate

To disclaim and expel from the family, as a father his child; to disown; to disinherit.

To formally separate oneself from or to divest oneself of.

To depose.

To reject; to cast off; to discard.

[W]e were legally call'd by his Majeſties writ to give our Attendance in Parliament, […] if we did not, we ſhould betray the Truſt committed to us by his Majeſtie, and ſhamefully betray and abdicate the due right both of our ſelves and Succeſſours.

To surrender, renounce or relinquish, as sovereign power; to withdraw definitely from filling or exercising, as a high office, station, dignity; to fail to fulfill responsibility for.

to abdicate the throne, the crown, the papacy

Note: The word abdicate was held to mean, in the case of James II, to abandon without a formal surrender.