Related Clues:

• Expression of surprise
• With 60-Down, ''Wow!''
• La-la intro
• "You don't say!"
• Stunned response
• "___-la-la!"
• 'Pretty nice!'
• Arouse great enthusiasm
• Regale an audience
• Huge success
• "That's amazing!"
• Knock one's socks off
• Cry of excitement
• "Awesome!"
• Exclamation