At a Glance
painted Greek vase
Painted Greek vase showing a Dionysiac feast, 450–425 bc; in the Louvre, Paris.
mystery religion
Greco-Roman religion
mystery religion, any of various secret cults of the Greco-Roman world that offered to individuals religious experiences not provided by the official public religions. They originated in tribal ceremonies that were performed by primitive peoples in many parts of the world. Whereas in these tribal communities almost every member of the clan or the village was initiated, initiation in Greece became a matter of personal choice. The mystery religions reached their peak of popularity in...