It's Lewis time!

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Across
  1. 2. able to be maintained or defended against attack or objection;
  2. 5. give or grant (something) to (someone) in a gracious or condescending manner;
  3. 6. heated disagreement;
  4. 10. persistently worrying or distressing;
  5. 12. deserving reward or praise;
  6. 13. having a particular habit, activity, or interest that is long-established and unlikely to change;
  7. 15. the reluctant acceptance of something without protest;
  8. 17. an address or communication emphatically urging someone to do something;
  9. 18. total, unlimited power; the ability to do anything;
  10. 19. (in writing, speech and plays) the power of a performance, description, etc. to make you feel sympathy or be sad;
  11. 20. disgust or sicken (someone) with an excess of sweetness, richness, or sentiment;
Down
  1. 1. to repeat the main points of an explanation or description;
  2. 3. failure to cope with the demands of a normal social environment;
  3. 4. the action of unfairly criticizing someone or something;
  4. 7. the prevailing fashion or style at a particular time;
  5. 8. the fact of having a strong effect on your feelings, especially in a way that makes you feel sad;
  6. 9. too closely linked to be separated;
  7. 11. enthusiasm, enjoyment and energy in doing something;
  8. 14. a contradiction between two beliefs or conclusions that are in themselves reasonable; a paradox;
  9. 16. make corrections and revisions to (a text).