Related Clues:

• "Yes!"
• "An idea!"
• "I solved it!"
• Cry with eyes lit up
• "I got it!"
• ''Bingo!''
• Cry spelled out by the first syllables of 16-, 18-, 32-, 50- and 53-Across
• Gotcha!
• Light-bulb moment word
• "Aha!"
• "That's it!"
• "You got that right!"
• Sound of a light bulb going on?
• ''Perfect!''
• ''I'm onto you now!''