Related Clues:
- Mellow, say
- Improve, as steak
- It may start to show
- Scotch bottle datum
- Tree-rings indication
- "... of the ___ of Aquarius ..."
- 'A very high price to pay for maturity,' per Tom Stoppard
- Some people lie about theirs
- Whiskey or wine datum
- Año, to Andrew
- Century fraction
- See 122-Across
- "Antiques Roadshow" estimate
- Wine label datum
- Sweet sixteen, e.g.