Related Clues:

• Attains maturity
• 'It's been ___'
• Approaches maturity
• Census numbers
• Shakespeare wrote of seven
• Candle counts
• Iron and Bronze
• All-___ (G-rated)
• Long wait
• Allows to ripen, as cheese
• Stats in a big family
• Stone/Ice
• Long time period
• Periods of history
• Passes the time?