Related Clues:

• "I'm impressed!"
• "Shucks!"
• "Go right, mule!"
• Exclamation in 17, 23, 50 and 61-Across
• "Oh my!"
• 'You don't say'
• "No kidding!"
• "Good golly!"
• Awed one's reaction
• Take the right course
• Right call
• "Holy cow!"
• 'Oh, my stars!'
• ''You don't say!''
• More than ''hmmm!''