Related Clues:

• Trustworthy
• "So help me!"
• ''Really?''
• Lincolnesque adjective
• Not fake
• 'I kid you not!'
• Fair and square
• ''I'm telling the truth!''
• Incorruptible
• "No lie!"
• 'No lie'
• "No, really!"
• Insistent affirmation
• Truthful
• Unbribable