Related Clues:

• In truth
• Genuinely
• "No kidding?"
• 'No kidding?'
• "Is that so?"
• "No fooling?"
• "Are you serious?"
• Honestly, it's a fact
• Actually, in fact
• In actual fact
• Truly, actually
• In fact, truly
• Actually, truly
• Actually, no kidding
• Actually, honest to God