Related Clues:

• 'I understand'
• So that's it!
• 'I know the answer!'
• Sound of discovery
• "So that's your game!"
• Expression of discovery
• Inspired expression
• 'Got it!'
• 'Bingo!'
• "So it was YOU!"
• Lab exclamation
• Solving cry
• "Of course!"
• "So, there you are!"
• "It just came to me!"