Related Clues:

• 'Is that so?'
• 'Come on now!'
• "Honest!"
• In actuality
• 'For sure?'
• In fact
• "Sez who?"
• "Is that right?"
• Challenging words
• Remark of exasperation
• In truth
• Genuinely
• 'You think so?'
• "No kidding?"
• "Wanna bet?"