instigatrix

— Better perhaps would it have been for the accused had she had no other advocates than her innocence and her firm imposing demeanour ; but her death was resolved on, and two days after she was condemned as “ the instigatrix of the crimes committed by the last tyrant of France ; as having herself maintained a correspondence with foreign powers, particularly with her brother the king of Bohemia and Hungary, with those emigrants who were formerly French princes, and with perfidious generals […]