Related Clues:

• Word of assent
• Cry of delight
• 'Uh-huh'
• 'Gotcha!'
• Finder's cry
• 'You bet!'
• 'I see!'
• 'Now I see!'
• 'I knew it!'
• 'I understand now'
• Exclamation of surprise
• It's positive
• 'Now it's clear!'
• Up, as a vote
• 'Why not?'