Vintner's process (5)

I believe the answer is:

aging

(Other definitions for aging that I've seen before include "Getting older" , "Getting old" , "development" , "in decline" , "Becoming more grown-up" .)

I've seen this clue in the Newsday.

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.