God, Supreme Being - the supernatural being conceived as the perfect and omnipotent and omniscient originator and ruler of the universe; the object of worship in monotheistic religions

Blessed Trinity, Holy Trinity, Sacred Trinity, Trinity - the union of the Father and Son and Holy Ghost in one Godhead

hypostasis - any of the three persons of the Godhead constituting the Trinity especially the person of Christ in which divine and human natures are united