Word power

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Across
  1. 3. exact detail
  2. 5. way of seeing
  3. 7. can be trusted
  4. 8. logical guess
  5. 10. to discuss agreement
  6. 11. to give reason
Down
  1. 1. nor required
  2. 2. based on reason
  3. 4. to continue support
  4. 6. Skilled method
  5. 9. to change slightly