Entry 1 sense Webster, 1913 Neoplatonist /nēˌ-ōp-lāt'-ən-əst/ · Ne·o·pla·to·nist · IPA /niːə(ʊ)ˈpleɪtənɪst/ 01 n. One who held to Neoplatonism; a member of the Neoplatonic school. 1. One who held to Neoplatonism; a member of the Neoplatonic school.