Father's Day Cryptic Crossword

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Across
  1. 1. turning over an idea reveals a single belief
  2. 4. the product of the first man to reach enlightenment
  3. 5. dip into a piece of hum music
  4. 7. centurion is decapitated and has eye removed before being blown up by particle
  5. 8. a total catch
  6. 11. old man prepares to go on holiday with TUI
  7. 13. abnormal male can't walk
  8. 14. Spanish affirmation squeezed into hereditary units at beginning
  9. 16. a dead-headed flower comes after the twice-interrupted folly of a disciple
  10. 17. curtailed lecture cooked up by spoon-maker
Down
  1. 2. give land away after former lover's eclipse
  2. 3. bridal party removed from Parthenon mixes up customer
  3. 6. fight when metal restraint put in loveless sole
  4. 9. abrupt gender-changer and tailless quill give name to heavenly sea
  5. 10. animal among muslim leader malfunctioning
  6. 12. it might look blue but there's a great atmosphere
  7. 15. small musical step kills