Also vert. [f. VERT sb.2] intr. To become a pervert or convert from one religion to another, esp. to Roman Catholicism.
1888. Echo, 17 March (Cassells). As a man he is welcome to vert and re-vert as often as he pleases.
1891. Hist. Sk. Par. St. Martin, Colchester, 7. William Murray verted to the Roman Church after J. H. Newman.