Power Your Brain (Difficult Level crossword)

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Across
  1. 2. – Ability to notice
  2. 6. – Mental agility
  3. 9. – Process of knowing
  4. 11. – Showing sound sense
  5. 13. – Insightful judgment
  6. 14. – Sharpness of mind
  7. 15. – Skilled in reasoning
Down
  1. 1. – Sharp mental skill
  2. 3. – Deep scholarly knowledge
  3. 4. – Natural ability
  4. 5. – Exceptional intelligence
  5. 7. – Keen wisdom
  6. 8. – Careful judgment
  7. 10. – Mental power
  8. 12. – Creative cleverness