adj. Belonging to the school or philosophy of Plato; as, the Academic sect or philosophy. Belonging to an academy or other higher institution of learning; scholarly; literary or classical, in distinction from scientific. One holding the philosophy of Socrates and Plato; a Platonist. A member of an academy, college, or university; an academician. A field of study that is not vocational, or not commercial. Something that is theoretical and not of immediate use.