Related Clues:

• Reaction to an air show
• Admirer's exclamation
• "Capisce?" response
• 'Capisce?' response
• Sound at a fireworks display
• 'That adds up'
• Sound of a pleasant shock
• “Oh, now it’s clear”
• 'OK, that makes sense'
• 'How neat!'
• 'Uh-huh, got it'
• “Oh, now it makes sense!”
• Remark after being 71 Down
• 'Ah, of course!'
• “Right, right”