Related Clues:

• "Cross my heart"
• 'For reals!'
• 'No lie!'
• Law-abiding
• "I'm telling you the truth!"
• In a just manner
• "I'm not kidding!"
• 'I kid you not'
• "Honest to goodness!"
• In a fair-dealing way
• Honourable, true
• Truly, without a word of a lie
• Sincere, upright
• Trustworthy or candid
• Honorable and sincere