courtesy puzzle

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Across
  1. 3. a willingness to give help or support (10 letters)
  2. 4. generosity towards others (7 letters)
  3. 8. an attitude of valuing others (8 letters)
  4. 9. a fundamental aspect of treating others well (6 letters)
Down
  1. 1. polite expression of gratitude (6 letters)
  2. 2. be grateful and understand the worth of something (12 letters)
  3. 5. express regret of an offence or failure (9 letters)
  4. 6. the act of being polite (5 letters)
  5. 7. approval or kindness, charming quality of being polite (5 letters)
  6. 8. to express admiration or praise (8 letters)