part 4

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Across
  1. 5. so delicate or precise s to be difficult to analyze or describe
  2. 7. to check or prove the validity or accuracy of (something)
  3. 9. to emphasize or draw attention to
  4. 10. to form a theory or conjecture about a subject without firm evidence
  5. 13. the appearance of being true or real
  6. 14. to formally declare one’s abandonment of (a claim, right, or possession)
  7. 15. to prove (a statement or theory) to be wrong or false; disprove
Down
  1. 1. not conspicuous or attracting attention
  2. 2. not easily convinced; having doubts or reservations
  3. 3. the restraint, prevention or inhibition of a feeling, quality, etc.
  4. 4. to provide evidence to support or prove the truths of
  5. 6. to lessen the effectiveness, power, or ability of
  6. 8. something that completes or enhances something else when added to it
  7. 11. very weak or slight
  8. 12. capable of working successful; feasible
  9. 14. to continue to have (something); keep possession of