Related Clues:

• 'This is no joke!'
• Truly, in slang
• 'I'm not kidding!'
• Like Abe
• 'Honest'
• Candid
• Actually
• Sincerely
• ''As --- as the day ...''
• Virtuous
• ''No kidding!''
• 'It's the truth!'
• ''Honest!''
• 'You should listen to me'
• 'It's true!'