Vocab 5/8

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Across
  1. 3. to promise
  2. 6. completely new and never having happened before; historic
  3. 8. ability to be done in a practical or useful way
  4. 9. to prove or declare valid
Down
  1. 1. production of an amount
  2. 2. to emphasize or give additional weight to
  3. 3. urgently necessary
  4. 4. to move as ripples or in a wavy pattern
  5. 5. one-sided
  6. 7. to prove to be reasonable, justify