Related Clues:

• Cry of delight
• Schoolmaster's order
• Exclamation of surprise
• Aah's partner
• Sound at the circus
• 'That feels good!'
• 'Cool!'
• 'Holy cow!'
• Still
• Mollify
• Make quiet
• 'Quiet!'
• Muzzle
• 'Isn't that beautiful?'
• ___-la-la