Related Clues:

• It's positive
• 'Now it's clear!'
• 'Oh, right!'
• 'Aha!'
• Up, as a vote
• 'Why not?'
• Go-ahead
• 'Ah!'
• Expression of understanding
• 'Undoubtedly'
• 'Eureka!'
• 'Clear as day'
• 'So there!'
• Aye
• Exclamation of affirmation