Challenging Words Puzzle

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Across
  1. 4. radiant splendor
  2. 5. fax
  3. 9. resembling twilight
  4. 11. show great care
  5. 12. person's behavior towards others
  6. 14. like humans
  7. 15. intended to assist memory
Down
  1. 1. expressing oneself loudly
  2. 2. takes part in dialogue
  3. 3. impractical but impressive
  4. 6. change something significantly with humor
  5. 7. persuade people to join group
  6. 8. feeling sad
  7. 10. special magnetic charm
  8. 13. sustained buzzing sound