#abjure

• To abjure — To publicly and solemnly renounce a religious belief, a philosophical or political doctrine, or a previously taken oath; to disown a deeply held conviction before an authority. Historically, the term refers to the official retraction of a heresy, whereas in modern terms it is used to describe a radical and conscious shift in ethical or ideological principles.
• Abjured — That has been publicly and solemnly renounced, disowned, or withdrawn; (about convictions, oaths, dogmas, or doctrines) officially abandoned before an authority. The term describes the status of a belief or ideology that has undergone a formal recantation.
• Abjurer — A person who abjures; one who publicly and solemnly renounces a belief, doctrine, ideology, or a previously taken oath of allegiance. As an adjective, it qualifies a behavior, a group, or a text that expresses or contains a formal disavowal of core convictions.