[mys.ta.gogue] n [L mystagogus, fr. Gk mystagogos, fr. mystes initiate (perh. akin to Gk myein to be closed) + agein to lead--more at agent] (ca. 1550) 1: one who initiates another into a mystery cult
2: one who understands or teaches mystical doctrines -- mys.ta.go.gy n