Paganism; the condition or quality of being pagan.
Origin
Late Middle English; earliest use found in John Capgrave (1393–1464), prior of Bishop's Lynn, theologian, and historian. From post-classical Latin paganitas the condition of being a pagan, pagan belief, paganism from paganus + -tas. Compare Christianity. Compare Middle French paganité (1498; compare Old French paieneté, Middle French, French †payenneté).