Possible Questions:
- Swell
- "Wow!"
- Cool
- Keen
- "Cool!"
- Super-duper
- "Far out!"
- "I'm impressed!"
- "Groovy!"
- "Awesome!"
- Spiffy
- "Swell!"
- "Sweet!"
- "Super!"
- Peachy
- "Peachy keen!"
- Word of approval
- Peachy-keen
- "Way cool!"
- "Peachy!"
- "Cool beans!"
- Far out
- Copacetic
- "Great!"
- 'Keen!'
- "Nifty!"
- "Keen!"
- "Gee!"
- Slangy approval
- "Rad!"
- Way cool
- Ducky
- "Terrif!"
- "Outta sight!"
- Marvy
- "That's cool!"
- "Marvy!"
- ''Groovy!''
- Just ducky
- "That's so cool!"
- "Cool"
- Super!
- Peachy keen
- Groovy!
- Cool!
- "Super-duper!"
- "Spiffy!"
- "So cool!"
- ''Rad!''
- ''Gee, that's swell!''
- Uncool "Cool!"
- Supercool
- "Totally cool!"
- "That's swell!"
- "Terrific!"
- "Gee, that's swell!"
- "Fab!"
- "Day-um!"
- 'Swell!'
- 'Cool!'
- ''Awesome!''
- Sweet, once
- Rad relative
- Old-fashioned "cool"
- Old slangy word of enthusiasm
- Nifty, to The Beave
- Nifty, in the '50s
- Nifty in the '50s
- Marvy!
- Kin of "Swell!"
- Cool, in the '50s
- "That's pretty awesome!"
- "Sounds swell!"
- "Really cool!"
- "Phat!"
- "Peachy"
- "Oh, cool!"
- "Like, wow!"
- "Fantabulous!"
- ''Super!''
- ''Peachy keen!''
- ''Outta sight!''
- ''Fantabulous!'' in the '50s
- Super keen!
- Sarcastic expression of enthusiasm
- Retro "cool"
- Retro "Cool!"
- Remark of approval
- Peachy-keen!
- Old-fashioned "Sweet!"
- Old-fashioned "Super!"
- Old-fashioned ''Super!''
- Nifty, in the 50's
- Great, teenage style
- Cool?
- "Wowza!"
- "Way cool," quaintly
- "Way cool, man!"
- "That's super!"
- "That's peachy-keen!"
- "Sweet" ancestor
- "Super cool!"
- "Pretty keen!"
- "Pretty amazing!"
- "Phat!" predecessor
- "Peachy-keen!"
- "Nifty"
- "Like whoa"
- "Hot damn!"
- "Gee, that's keen!"
- 'Peachy!'
- 'How cool!'
- '50s "Radical!"
- '50s "Nifty!"
- ''Swell!''
- ''Peachy!''
- ''Keen!''
- ''Cool!''