Father's Day

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Across
  1. 2. Ratio of the speed of a body to the speed of sound
  2. 8. One who loves libraries
  3. 10. Genuinely
  4. 12. Outstanding example
  5. 15. Quick to learn
  6. 16. Man in relation to his child
  7. 17. Tolerate delays
  8. 18. Flat and smooth
  9. 19. Resolve
  10. 20. Reliability of something
Down
  1. 1. Level of effort expended
  2. 3. Satisfaction with
  3. 4. Expressing approval
  4. 5. Sign an agreement
  5. 6. Elicit
  6. 7. Having power
  7. 9. Measurer of distance
  8. 11. Something that is of some benefit
  9. 13. Union
  10. 14. Word smith