You searched for: “adjuration
adjuration (s), adjuration (pl) (nouns)
1. A disavowal or taking back of a previous assertion.
2. The act of abjuring; renunciation upon oath; as "an abjuration of the realm," by which a person swears to leave the country, and never to return.

It is a reference also for the oath of renunciation. Formerly in England, felons, taking refuge in a church, and confessing their guilt, could not be arrested and tried, but might save their lives by "abjuring the realm"; that is by taking an oath to leave the kingdom forever.

3. A rejection or denial with solemnity; a total abandonment; as "an abjuration of heresy."