Philosophy is the study of wisdom. In fact, Philosophia is the Ancient Greek word for the "love of wisdom".[1]
A person who works in the field of philosophy is called a philosopher. A philosopher is a kind of thinker and researcher. A "philosophy" can also mean a group of ideas or way of living suggested by philosophers.[2]
Philosophy is a way of thinking about the world, the universe, and society. In the past, natural sciences were a part of philosophy.