Crossword Genius

With good will (8)

Ross

I believe the answer is:

amicably

(Other definitions for amicably that I've seen before include "not fighting?" , "In a friendly fashion" , "In a friendly manner" .)

I've seen this clue in The Guardian.
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.