Related Clues:

• British exclamation
• Oater affirmative
• 'Why not?'
• Go-ahead
• Suffix with sinus
• 'Undoubtedly'
• 'My!'
• 'Do as ___,...'
• '___, old chap!'
• Aye
• Exclamation of affirmation
• Put to work
• See 11-Down
• 'You said it!'
• Sycophant's response