appeal (v.) 1
accuse, denounce, impeach
R2 I.i.27 [King Richard to Mowbray and Bolingbroke] you come, / Namely, to appeal each other of high treason
R2 I.i.9 [King Richard to John of Gaunt, of Bolingbroke] hast thou sounded him / If he appeal the Duke on ancient malice
R2 I.iii.21 [Mowbray to Lord Marshal] to defend my loyalty and truth ... / Against the Duke of Hereford that appeals me