Tom's tricky crossword

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Across
  1. 3. delightful/charming
  2. 4. to forgive
  3. 8. readily attainable
  4. 10. the site or position
  5. 14. can't control emotions
  6. 17. out of sight
  7. 18. considerably expensive
  8. 20. to lower someone in position
Down
  1. 1. the quality of being funny
  2. 2. to be believed
  3. 5. occurring now and then
  4. 6. in the past
  5. 7. pertaining to the science or practice of medicine
  6. 9. 2 wheel vehicle
  7. 11. similar in every way
  8. 12. the manner in which a person or thing is placed
  9. 13. a chief or head
  10. 15. to inspire someone with the courage or confidence
  11. 16. the record of past events and times
  12. 19. a period of ten years