Related Clues:
- Mature blue
- Pal grabbing university rector's top? Grow up!
- Person whose voice is garbled in 'Peanuts'
- Legally entitled to vote
- Act like a grown-up, in slang
- For grown folks
- Become wiser, maybe
- A day in the last month of age
- One who's 18 or older
- Mature lawyer retired last month
- One who can be drafted or buy a draft
- Post-pubescent
- Fully-grown person
- 18+, say
- Due for payment, mother? True, unfortunately