Synonyms for Theodosius I (same or very similar meaning)
WordNet sense 1 (the last emperor of a united Roman Empire, he took control of the eastern empire and ended the war with the Visigoths; he became a Christian and in 391 banned all forms of pagan worship (346-395)):
Theodosius, Flavius Theodosius, Theodosius the GreatFrom the ODE community, based on WordNetadd/edit