philosopher

noun
UK /fɪˈlɒsəfə/
US /fɪˈlɑːsəfər/

A person who thinks deeply about big questions like what is real and what is right.

The philosopher asked why people should be kind to each other.


OTHER MEANINGS

2. A person who studies ideas about knowledge, truth, and existence as a profession.

She became a philosopher and taught at the university.

3. Someone who stays calm and patient when things go wrong.

My grandfather is a philosopher about traffic jams—he just smiles and waits.

4. A writer who explains a system of thought or beliefs.

The ancient philosopher wrote books about how to live a good life.