Related Clues:

• '___ upon a time ...'
• One partner?
• Fairy-tale starter
• One-of-a-kind
• In days gone by
• "Just this __ ..."
• Ages ago
• It may be enough for some
• Not quite never
• Start of many Grimm tales
• At a time in the past
• One and __: soul mate
• It's enough for some
• Not again
• Not at present