Abjure
From BiblePortal Wikipedia
Abjure [1]
(1): (v. t.) To renounce upon oath; to forswear; to disavow; as, to abjure allegiance to a prince. To abjure the realm, is to swear to abandon it forever.
(2): (v. t.) To renounce or reject with solemnity; to recant; to abandon forever; to reject; repudiate; as, to abjure errors.
(3): (v. i.) To renounce on oath.
