A member of one of several international organizations such as the Ancient Mystical Order Rosae Crucis, devoted to the study of ancient mystical, philosophical, and religious doctrines and concerned with the application of these doctrines to modern life.
User Defined Definitions
"a member of any of various organizations that subsequently derived from the 17th-century society"
"a member of a secret 17th-century society of philosophers and scholars versed in mystical and metaphysical and alchemical lore"