Related Clues:

• "Fine with me"
• Requiring little effort
• 'Certainly!'
• 'Uh-huh!'
• 'Okey-doke'
• Verifiable
• "You bet!"
• "No problemo!"
• 'Works for me'
• Foolproof
• A snap
• 'It's ___!' ('Simple!')
• Doubt-free
• 'Calm down ...'
• "Yeah, right"