Neoplatonism (n.) Look up Neoplatonism at Dictionary.com
also Neo-platonism, 1827, a philosophical and religious system mixing Platonic ideas and oriental mysticism, originating 3c. at Alexandria, especially in writings of Plotinus, Porphyry, and Proclus. Neoplatonian is attested from 1831. Related: Neoplatonic; Neoplatonist.