Related Clues:

• Comment before 'I don't know'
• 'Congratulations!'
• Knock the socks off
• 'That's amazing!'
• 'Isn't that nice!'
• 'La-la' lead-in
• Riviera resort
• Exclamation before 'Look!'
• Opposite of 1-Down
• Astound
• Cry at fireworks
• Knock over
• Pleased sound
• Charming
• Delightful