Related Clues:

• "Halt! Who goes ___?"
• Frequent limerick starter
• Word repeated a consoler
• Out yonder
• When repeated, a calming expression
• All -- (sane)
• Finger-pointer's shout
• Shout from a pointer
• ''Done!''
• In that location
• "And ___ you have it!"
• Just because it needs four more, by the sound of it, at that point
• For comfort this may come at the double
• Is that the place for the about turn?
• That's the place to look into for 15 across