Related Clues:

• A month of Sundays
• Pieces of the past
• Chooser's call
• Uses a plane, e.g.
• Equalizes
• Indefinitely long time
• Dark __
• Makes true
• Census stats
• Becomes equal (with ''out'')
• Mellows, like wine
• Reacts to time
• Mellows, in a way
• Yellows, maybe
• 'It's been ___!'