Solve the puzzle using the meanings

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Across
  1. 2. to bring in goods (things) imports from another country
  2. 5. to increase in size, number or importance
  3. 7. having a good understanding of the way people behave and/or good knowledge of culture and fashion
  4. 10. to send goods to other country for sale
  5. 11. make changes in something in order to improve it
  6. 12. the need or strong desire to do or to have something, or a very strong liking for something
Down
  1. 1. too willing to believe that someone is telling the truth, that people's intentions in general are good, or that life is simple and fair.
  2. 3. allowing lights to pass through so that objects behind can be distinctly seen
  3. 4. the practice or the condition in which people keep themselves or their environments clean so as to prevent the diseases.
  4. 6. thick, unpleasant, offensive, disgusting dirt / foul matter
  5. 8. division into two sharply contrasting groups or sets of opinions or beliefs
  6. 9. decrease in size