Related Clues:

• See 11
• See 13
• Calculation from tree rings
• 21, for many new drinkers
• What some golfers use as a scoring goal
• __ limit
• Gain maturity
• Cause of some wrinkles
• Century, say
• "___ before beauty"
• It brings wisdom and drinking privileges
• Gray naturally
• Stage of existence
• Candle count?
• Years you've lived