Related Clues:

• Approval
• Fully convinced
• Doorbell-answerer's word
• "Awesome!"
• 'You called?'
• "Indubitably"
• "Fine with me"
• 'By all means'
• 'Certainly!'
• 'Uh-huh!'
• Da, here
• 'Okey-doke'
• Common reply
• Verifiable
• "I'm listening"