Related Clues:

• Guaranteed to happen
• Bound to happen
• Word often said with a shrug
• Beyond question
• "No prob!"
• Steady-handed
• 'I'd be glad to!'
• Free of doubt
• ___ as shootin'
• "Why not!"
• "OK"
• 'OK by me'
• Certain about ruse
• Confident sort of ruse
• Certain to be a ruse