Related Clues:

• There's no good in rapid rise, certainly in the USA
• Stable bank, by the sound of it
• Safe old city in Home Counties
• Impossible to fail
• Girl keeps king safe
• "No problem!"
• Goof-proof
• "I certainly will!"
• 'What-ev-er you say ...'
• 'Okeydokey'
• Doubtless, it follows plea for enjoyment
• 'I can do that!'
• ''I'd be glad to''
• Lacking question marks
• 'A Boy Named ___' [Confident]