realist
An advocate of realism; one who believes that matter, objects etc. have real existence beyond our perception of them.
Other meanings
An adherent of the realism movement; an artist who seeks to portray real everyday life accurately.
One who believes in seeing things the way they really are, as opposed to how they would like them to be.
Where this comes from
This definition is adapted from “realist” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.