Related Clues:

• 'Awesome!'
• Cool, once
• 'Wunderbar!'
• ___ Four (Beatles)
• 'Neato!'
• Groovy
• 'Outta sight!'
• Just ducky
• Swell
• Marvelous, in slang
• 'Peachy'
• Laundry detergent brand
• Just great
• 'That's amazing!'
• 'Keen!'