Related Clues:
- 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!”
- Radical cousin