Abjuration

• A renunciation, under oath, of heresy to the Christian faith, made by a Christian wishing to be reconciled with the Church.
• retraction: a disavowal or taking back of a previous assertion
• Abjuration is the solemn repudiation, abandonment, or renunciation by or upon oath, often the renunciation of citizenship or some other right or privilege.
• The act of abjuring or forswearing; a renunciation upon oath; as, abjuration of the realm, a sworn banishment, an oath taken to leave the country and never to return; A solemn recantation or renunciation; as, an abjuration of heresy.