Adjuration

Ad`ju*ra"tion (?), n. [L. adjuratio, fr. adjurare: cf. F. adjuration. See Adjure.] 1. The act of adjuring; a solemn charging on oath, or under the penalty of a curse; an earnest appeal.

What an accusation could not effect, an adjuration shall.
Bp. Hall.

2. The form of oath or appeal.

Persons who . . . made use of prayer and adjurations.
Addison.