1. philosophy the rational investigation of existence and knowledge
  2. philosopher a specialist in the investigation of existence and knowledge
  3. falsifier someone who falsifies
  4. film over become glassy; lose clear vision
  5. felspar any of a group of hard crystalline minerals that consist of aluminum silicates of potassium or sodium or calcium or barium
  6. fluster cause to be nervous or upset
  7. philosophizer someone who considers situations from a philosophical point of view
  8. philosophiser someone who considers situations from a philosophical point of view
  9. philosophic of or relating to philosophy or philosophers
  10. fail-safe eliminating danger by compensating automatically for a failure or malfunction
  11. falsify make false by mutilation or addition
  12. fieldfare medium-sized Eurasian thrush seen chiefly in winter
  13. welfare something that aids or promotes well-being
  14. insofar to the degree or extent that
  15. philosophize reason or theorize about important and difficult issues
  16. gloss over treat hurriedly or avoid dealing with properly
  17. philosophise reason philosophically
  18. philosophical relating to the investigation of existence and knowledge
  19. false face a mask worn as part of a masquerade costume
  20. falciform curved like a sickle