Related Clues:

• 'Groovy!'
• Calm and collected
• 'Rad!'
• Not 38-Across
• 'Sounds good to me'
• Not so hot?
• Collected
• Weather word
• 'Fantastic!'
• Unflappable
• Nifty
• ''Neato!''
• The Hollies' ''Long --- Woman''
• Nippy
• Nonchalant