Related Clues:

• 'Really, now!'
• 'That proves it!'
• "Just as I thought!"
• Cry of revelation
• 'So you're the culprit!'
• Recognition response
• Code cracker’s comment
• Discoverer's cry
• Cry when the lights come on
• "So that's how it is!"
• ''What have we here!''
• ''Gotcha!''
• 'Well, whaddya know!'
• 'Well now!'
• Sound of a epiphany