philosophy is the study of underlying things. it tries to understand the reasons or basis for things. it also tries to understand how things should be. "" is the ancient greek word for the "love of wisdom". 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. philosophy is a way of thinking about the world, the universe, and society. in the past, natural sciences were a part of philosophy.