Related Clues:

• ''You rang?''
• OK word?
• Sound of insight
• Positive reply
• 'O.K.'
• Puzzle solver's cry
• Thumbs-up
• ''To be sure!''
• Brainstorming cry
• 'Sounds good to me'
• Solver's shout
• Thumbs-up vote
• ''So there!''
• 'Now I get it!'
• Eureka!