Related Clues:

• There may be money in it
• Shrinking violet's problem
• What things may be held in
• Book
• Lay aside
• Keep for future use
• Arrange for in advance, a seat perhaps
• Reverse into back-up store
• Reveres so as to retain
• Hold back or set aside for future use
• Put aside for special use
• Retain for future use
• Book to act once more like a 25 down, perhaps
• What 16 across may do once more by the book?
• That's the way to be a waiter again, but keep it to yourself