Related Clues:

• "No kidding!"
• 'Honest!'
• "So help me!"
• 'This isn't a joke'
• 'Seriously!'
• For real
• ''Really?''
• Lincolnesque adjective
• In reality
• Without a doubt
• 'I kid you not!'
• Parent's angry words
• Genuinely
• 'Don't try me!'
• Word in a letter closing