Related Clues:

• Well past one's prime
• Like mature cheeses
• Mellowed, in a way
• Allowed to mellow
• Increased one's candle count
• Senescent
• Added years
• Dry-___ (like some steak)
• Got better, like cheddar
• Home for the ___
• Around a long time
• Yellowing, maybe
• Like most whiskey
• __ beef
• Improved, perhaps