There were others, among them a pseudo-religious brotherhood, membership in which was compulsory.
These organizations are often of a quasi-religious or pseudo-religious character, and are participated in by both men and women.
c.1200, "devout, pious, imbued with or expressive of religious devotion," from Anglo-French religius, Old French religious (12c., Modern French religieux) and directly from Latin religiosus, from religio (see religion). Meaning "pertaining to religion" is from 1530s. Transferred sense of "scrupulous, exact" is recorded from 1590s. Related: Religiousness.