1. first principle the elementary stages of any subject (usually plural)
  2. in principle with regard to fundamentals although not concerning details
  3. vital principle a hypothetical force to which the functions and qualities peculiar to living things are sometimes ascribed
  4. reality principle the governing principle of the ego
  5. bitter principle any one of several hundred compounds having a bitter taste
  6. school principal the educator who has executive authority for a school
  7. moral principle the principle that conduct should be moral
  8. working principle a rule that is adequate to permit work to be done
  9. life principle a hypothetical force to which the functions and qualities peculiar to living things are sometimes ascribed
  10. principal main or most important
  11. basic principle principles from which other truths can be derived
  12. legal principle a principle underlying the formulation of jurisprudence
  13. fundamental principle principles from which other truths can be derived
  14. accounting principle a principle that governs current accounting practice and that is used as a reference to determine the appropriate treatment of complex transactions
  15. petitio principii the logical fallacy of assuming the conclusion in the premises; begging the question
  16. contemporaneously during the same period of time
  17. unprincipled lacking moral scruples
  18. principally for the most part
  19. principle a basic generalization that is accepted as true
  20. pleasure principle the governing principle of the id

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