Related Clues:

• 'Right'
• 'Undeniably'
• Formal vote
• Roll-call vote
• Thumbs-up response
• Its anagram is a synonym of itself
• 'Amen!'
• Agreeable reply
• Direct-mail sticker
• 'That's a go'
• “Absolutely!”
• Truly
• Vote in the Senate
• Assent
• Passing word?