Encouraging quality (6)

I believe the answer is:

upside

(Other definitions for upside that I've seen before include "Top surface of something" , "Positive aspect of a situation" , "advantage" , "Favourable aspect" .)

I've seen this clue in The Washington Post.

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.