Related Clues:

• Leave
• Coming out
• Onset
• Barnum's exit
• A way out
• Arrival
• Barnum's fake animal
• Period beginning four Sundays before Christmas
• Pre-Christmas period
• The right to go out
• Christian observance
• Exit, to P.T. Barnum
• Coming into being
• It's for outbound traffic
• Barnum "attraction"