Annul

“She speaks truly,” said Lady Ashton, “it WAS I who, authorised alike by the laws of God and man, advised her, and concurred with her, to set aside an unhappy and precipitate engagement, and to annul it by the authority of Scripture itself.”

He wants to annul it.

If you ask how religion thus falls on the thorns and faces death, and in the very act annuls annihilation, I cannot explain the matter, for it is religion's secret, and to understand it you must yourself have been a religious man of the extremer type.