Sense of appreciation

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Across
  1. 2. : quietly
  2. 4. : core
  3. 5. : being nice
  4. 11. : between 13 to 19
  5. 13. gatitude
  6. 14. : increase
  7. 15. : dedicated
  8. 16. : relating to medicine
Down
  1. 1. : reduce
  2. 3. : famous
  3. 6. : amazingly
  4. 7. yell
  5. 8. : part of the body
  6. 9. : honor
  7. 10. : feeling
  8. 12. : foreign