Related Clues:

• Direct-mail sticker
• 'That's a go'
• “Absolutely!”
• Truly
• Assent
• 'And how!'
• 'I did it!'
• Affirmative
• 'But of course!'
• 'You got that right!'
• Indeed
• 'That's for sure'
• 'Sure thing!'
• Enthusiastic approval
• 'You bet'