Related Clues:

• Trustworthy
• 'Truth!'
• 'I mean it!'
• 'Honest!'
• "So help me!"
• 'Seriously!'
• 'I'm serious!'
• "It's true!"
• ''Really?''
• Lincolnesque adjective
• In truth
• Cry of exasperation
• 'I kid you not!'
• 'It's really true!'
• Genuinely