Related Clues:

• Fine and dandy
• Skeptical acknowledgement
• 'Not to worry'
• Unfailing
• Free from doubt
• -
• Ratify
• 'That'd be fine'
• 'Why not?!'
• 'You got it'
• Comforting words
• Doubtless
• Not spectacular
• Nothing to write home about
• 'No prob'