Related Clues:

• 'Et voilà!'
• Insightful utterance
• Magician's cry
• ''Well, lookee here!''
• 'I've got it!'
• Sound of surprise
• Triumphant shout
• 'Way to go!'
• Sound of insight
• Puzzle solver's cry
• See 56-Across
• ''Whoopee!''
• Brainstorming cry
• Solver's shout
• ''So there!''