Related Clues:

• Like some opinions
• 'I'm not lying!'
• 'Really and truly'
• Words of fealty
• Up-front
• Follow-up to a parent's command, maybe
• "Cross my heart"
• 'No lie!'
• "I kid you not!"
• ''That's really the truth!''
• ''For real this time!''
• Law-abiding
• "I'm telling you the truth!"
• ''This is no joke!''
• 'Seriously?'