Related Clues:

• 'There you are!'
• 'Yes!'
• 'That's it!'
• 'Finally!'
• Perspicacity
• 'So that's it!'
• 'So that's your game!'
• 'The light dawns!'
• 'Oh, I see'
• Opposite of 'huh?'
• 'Of course!'
• Keen perception
• 'So, it's YOU!'
• Exclamation of discovery
• “Eureka!”