Keep Calm & Solve

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Across
  1. 2. Clearness of thought
  2. 5. Mental calmness
  3. 7. Absence of motion
  4. 11. Freedom from agitation
  5. 13. Aware and present
  6. 14. Mental stability
  7. 15. State of calm silence
Down
  1. 1. Free from disturbance
  2. 3. Concentrate on task
  3. 4. Ability to wait calmly
  4. 6. Peaceful agreement
  5. 8. Comfort in distress
  6. 9. Self-control under stress
  7. 10. Peak of tranquility
  8. 12. Peaceful state