accusatorially,adv.|əˌkjuːzəˈtɔərɪəlɪ|[f.prec.+ -ly2.]In an accusatorial manner; after the mode of, or by means of, a formal accuser.1847Secr.Soc.Middle Ages 333When a crime had been committed, and the criminal had not been taken in the fact..it was imperative that he should be proceeded against accusatorially.