confused words

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Across
  1. 3. give someone permission to
  2. 4. consent to receive
  3. 6. to act on
  4. 8. something to do if your legs tired
  5. 9. a general scientific theorem
  6. 12. something you say to someone before you leave
  7. 13. calling attention to something
  8. 14. is used as a destination or direction
  9. 15. used in titles
Down
  1. 1. The most important city or town in the country
  2. 2. associated with any personal in general
  3. 5. a building that the legislative meet
  4. 7. when someone says something nice about someone
  5. 10. in the period
  6. 11. They are
  7. 12. another word for purchase
  8. 15. being one more than one in number