1. essential basic and fundamental
  2. essentially at bottom or by something's very nature
  3. especially to a distinctly greater extent or degree than is common
  4. especial surpassing what is common or usual or expected
  5. sensual marked by the appetites and passions of the body
  6. essence the choicest or most vital part of some idea or experience
  7. os nasale an elongated rectangular bone that forms the bridge of the nose
  8. inessential not absolutely required
  9. unessential not basic or fundamental
  10. asocial given to avoiding association with others
  11. agential of or relating to an agent or agency
  12. uncial relating to or written in majuscule letters
  13. essentiality basic importance
  14. potential existing in possibility
  15. seneschal the chief steward or butler of a great household
  16. Wiesenthal Austrian investigator of Nazi war crimes (born in 1908)
  17. asexual not having or involving sex
  18. ascensional tending to rise
  19. essential oil an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings
  20. espousal the act of expressing support or approval