Related Clues:

• Snazzy
• Air-conditioned
• Lose enthusiasm
• "Relax, man!"
• "Works for me!"
• Fever symptom, ironically
• ''That's great!''
• In the 50s or 60s, say
• 'Very nice!'
• On an even keel
• Cool down
• Calm down, slangily
• "Calm down!"
• Warmer than chilly
• Calm under pressure