Related Clues:

• Top group
• Reply to the waiter, perhaps
• High-class
• Exquisite
• Like a compliant cat
• Cream of the crop
• Except that
• '___ as a winter swallow': Balzac
• It's kept for companionship
• Family adoptee
• Like a 52-Across
• Upscale
• Superior group
• Like a blue rose
• Collector's adjective