Believer in a god (6)

I believe the answer is:

theist

'believer in a god' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for theist that I've seen before include "Believer in a creator god" , "Tithes for believer in God" , "One believes in the existence of a god or gods" , "Believer in god/gods" , "Person in good faith" .)

I've seen this clue in The Telegraph and the Thinks.com.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.