noun a treatise on philosophy.
2. philosophy ·noun reasoning; argumentation.
3. philosophy ·noun the course of sciences read in the schools.
4. philosophy ·noun a particular philosophical system or theory; the hypothesis by which particular phenomena are explained.
5. philosophy ·noun practical wisdom; calmness of temper and judgment; equanimity; fortitude; stoicism; as, to meet misfortune with philosophy.
6. philosophy ·noun literally, the love of, including the search after, wisdom; in actual usage, the knowledge of phenomena as explained by, and resolved into, causes and reasons, powers and laws.