Related Clues:

• Inspired expression
• 'Got it!'
• 'Bingo!'
• Blind man's bluff?
• "So it was YOU!"
• Listener's response
• 'Well, I'll be!'
• Lab exclamation
• Solving cry
• "Uh-huh"
• "That's clear to me"
• "Of course!"
• "So, there you are!"
• "It just came to me!"
• "Understood!"