Presocratic
Part of speech: adjective
Definition: of, or characteristic of, such a philosopher (or these philosophers) as a whole.
Part of speech: proper noun
Definition: Any ancient Greek philosopher who preceded or was roughly contemporaneous with Socrates and whose methods and views were influenced neither directly nor indirectly by Socrates or his primary student, Plato.
Philosopher
Part of speech: noun
Definition: A person devoted to studying and producing results in philosophy.
Example sentence: All are lunatics, but he who can analyze his delusions is called a philosopher.