Mellow, in some cases (3)

I believe the answer is:

age

(Other definitions for age that I've seen before include "Time in years" , "16/18 [INDUSTRIAL REVOLUTION]" , "Era; grow old" , "Maturity" , "Turkish commander" .)

I've seen this clue in the LA Times.

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.