Related Clues:

• 'That's ___!' (cry at a lineup)
• Discovery cry
• "Now I get it!"
• 'I figured it out!'
• 'So that's it, eh?'
• "But of course!"
• "Eureka!"
• 'I found it!'
• That fellow
• Self starter
• "Gotcha"
• "Bingo!"
• Triumphant exclamation
• "I've found it!"
• 'Now it all makes sense!'