Related Clues:

• It comes before the storm
• Cool and collected
• Good trait to have in a crisis
• Peace and quiet
• Collected
• Kind of fit
• ''Relax, troops!''
• Unflappable
• Soothe
• Laid-back
• At peace
• 'Relax, soldier!'
• Tranquillity
• Took a load off
• Serenity