Related Clues:

• 'Totally cool!'
• Allow
• 'That's awesome!'
• 'Groovy!'
• 'Swell!'
• 'I'm impressed!'
• 'Rad!'
• ''Great!''
• Rubber-stamp
• Just fine
• ''Peachy-keen!''
• Less than spectacular
• Thumbs-up
• Adequate
• Green-light