Related Clues:

• "Super-duper!"
• French resort city
• Cool, in the '50s
• Courteous and pleasant
• Unlikely to offend
• ''Nifty!''
• 'Peachy keen!'
• "Swell"
• Naughty alternative
• 'Way cool, man!'
• "No more Mr. ___ Guy!"
• Old-fashioned "cool"
• "Peachy keen!"
• 'That's cool!'
• "Really cool!"