philosopher

A student of or specialist in philosophy.

A person who lives and thinks according to a particular philosophy.

A person who is calm and rational under any circumstances.

One who is devoted to the search for fundamental truth; in a restricted sense, one who is versed in or studies the metaphysical and moral sciences; a metaphysician.

One who conforms his life to the principles of philosophy, especially to those of the Stoical school; one who lives according to reason or the rules of practical wisdom.

An alchemist: so called with reference to the search for the philosopher’s stone.

One who deals in any magic art.

One who philosophizes; one versed in, or devoted to, philosophy.

One who reduces the principles of philosophy to practice in the conduct of life; one who lives according to the rules of practical wisdom; one who meets or regards all vicissitudes with calmness.