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
; - Example: "Neoplatonism was predominant in pagan Europe until the 6th century"- Example: "Neoplatonism was a major influence on early Christian writers and on later medieval and Renaissance thought and on Islamic philosophy"
The Collaborative International Dictionary of English v.0.48:
Neoplatonism \Ne`o*pla"to*nism\, n. [Neo- + Platonism.]
A pantheistic eclectic school of philosophy, of which
Plotinus was the chief (a. d. 205-270), and which sought to
reconcile the Platonic and Aristotelian systems with Oriental
theosophy. It tended to mysticism and theurgy, and was the
last product of Greek philosophy.