Related Clues:

• 'For real?'
• On the square
• Straight up
• Upstanding
• Like some mistakes
• “I kid you not!”
• Trustworthy
• "So help me!"
• ''Really?''
• 'I kid you not!'
• Fair and square
• ''I'm telling the truth!''
• Incorruptible
• "No lie!"
• 'No lie'