Related Clues:

• Under control
• Kind of cap
• In the 50's or 60's, say
• Like the Arctic
• Bitterly cold
• Diametrically opposite
• Chilly
• Awesome
• Freezing
• 'Groovy!'
• Cold
• Calm and collected
• Like some receptions
• 'Rad!'
• In need of salting, maybe