Related Clues:

• "Shucks!"
• "Go right, mule!"
• Exclamation in 17, 23, 50 and 61-Across
• 'That's how it's going to be, is it?'
• "Oh my!"
• Words with a nod
• "Oh, OK"
• "No kidding!"
• Palmist's words
• What a nod might mean
• Discerner's phrase
• Awed one's reaction
• Take the right course
• Right call
• "... was blind, but now ___" ("Amazing Grace")