Related Clues:

• Reaction to fireworks
• "Wow!"
• Delighted exclamation
• "Golly!"
• "I don't believe my eyes!"
• Knock ('em) dead
• Really impress
• Impress
• Audible admiration
• Aah partner
• "I'm impressed!"
• Crowd's gasp
• Not genuine
• Sound of amazement
• Other-worldly