PLATONISM
- The philosophy of Plato or his followers
- the philosophy of Plato [n -S]
- Any of various revivals of Platonic doctrines or related ideas, esp. Neoplatonism and Cambridge Platonism (a 17th-century attempt to reconcile Christianity with humanism and science)
- The theory that numbers or other abstract objects are objective, timeless entities, independent of the physical world and of the symbols used to represent them