Related Clues:

• 'Aw gee, that's peachy keen!'
• Cool, as in the '60s
• Gain competitor
• "Groovy!" kin
• Smashing, in the '60s
• Robotics company with a ''swell'' name
• Eliot gets out of lifeboat in swell?
• Old-style dope?
• Old-style ''Awesome!''
• Old-fashioned 'Cool!'
• Word for the Beatles
• Like the Beatles?
• '60s ''Swell!''
• 'Suh-weet!,' quaintly
• “Swell!”