Related Clues:

• 'That's right!'
• 'Awright!'
• Weak yes
• Slangy OK
• One-third of a Beatles refrain
• 'Is that so?'
• "Uh-huh"
• Informal assent
• Absolutely!
• Indefinite yes
• 'I guess that's true'
• 'Uh-huh!'
• "You bet!"
• 'Amen to that!'
• 'Well, perhaps ...'