(Roman Catholic Church) the bishop of Caesarea who defended the Church against the heresies of the 4th century; a saint and Doctor of the Church (329-379)

Early Christian bishop, theologian, saint.

The Order of Saint Basil the Great (abbreviated OSBM), also known as the Basilian Order of Saint Josaphat, is a Greek Catholic monastic order of pontifical right that works actively among Ukrainian Catholics and other Greek-Catholic churches in central and Eastern Europe.