Guess the word

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Across
  1. 2. one or more reasons for believing that something is or is not true
  2. 4. a doctor who is specially trained to perform medical operations
  3. 7. to accept something enthusiastically
  4. 10. very great in amount or level, or extremely good
  5. 11. a large group of people who live together in an organized way, making decisions about how to do things and sharing the work that needs to be done
  6. 13. an eager wish to know or learn about something
  7. 14. to be absorbed by a liquid, especially when mixed
  8. 15. a situation in which something is not known
Down
  1. 1. a fact or event that makes a situation the way it is
  2. 3. the total amount that can be contained or produced
  3. 5. something given in exchange for good behaviour or good work
  4. 6. the feeling of being certain that something exists or is true
  5. 8. a piece of work given to someone, typically as part of their studies or job
  6. 9. a time or day by which something must be done
  7. 12. a new idea or method