Neoplatonism

strand of Platonic philosophy that emerged in the 3rd century AD

Neoplatonism is a thought form rooted in the philosophy of Plato (c. 428-347 B.C.E.), but extending beyond or transforming it in many respects. Neoplatonism developed as a school of thought in the Roman Empire from the third to the fifth century of the common era (C.E.).