Related Clues:

• Get more mature
• Improve in the bottle
• Cure
• Dusky white
• Lacking luster
• Get on in years
• Consent measure
• Guarded secret, for some
• Birthday candle giveaway
• Untanned
• Many, many years
• Birthday card subject
• Better to do this than not?
• Touchy subject, for some
• Francis Bacon said it 'will not be defied'