Neoplatonism - Definition

n 1: a system of philosophical and theological doctrines
composed of elements of Platonism and Aristotelianism and
oriental mysticism; its most distinctive doctrine holds
that the first principle and source of reality transcends
being and thought and is naturally unknowable;
"Neoplatonism was predominant in pagan Europe until the 6th
century"; "Neoplatonism was a major influence on early
Christian writers and on later medieval and Renaissance
thought and on Islamic philosophy"