1. Free from emotional agitation or nervous tension
   - unflurried, unflustered, unruffled

See also: composed

• crash barrier
• crash course
• crash helmet
• crash land
• crash landing
• crash program
• crash programme
• crash-dive
• crash-test
• crasher
• crashing
• Craspedia
• crass
• crassitude
• crassly
• crassness
• Crassostrea
• Crassula
• Crassulaceae
• Crataegus
• Crataegus aestivalis
• Crataegus apiifolia
• Crataegus biltmoreana
• Crataegus calpodendron
• Crataegus coccinea