Related Clues:

• 'Cool!'
• With it
• Cool, once
• Cool, in the '60s
• ''Cool!''
• Old-fashioned "Cool!"
• 'Fab!'
• Old-style "Cool!"
• Cool (or furrowed?)
• Old-fashioned "Neat!"
• '60s "Super!"
• Train that took The Farm up the charts
• In vogue, like flutes
• Up with fashion but also in a rut
• Cool, in the 1960s