Related Clues:

• Not shut
• Unlocked
• Word on a store sign
• Aptly named tournament
• Easy to get into
• Tourney, often
• Admitting all contestants
• With 31A, Ali Baba's keywords
• Unclog, as a drain
• Create, as a chair
• Double-click, maybe
• Ready to do business
• Start, as an investment account
• In full flower
• Like some primaries