1. austere of a stern or strict bearing or demeanor
  2. esoteric understandable only by an enlightened inner circle
  3. Esther (Old Testament) a beautiful Jewess chosen by the king of Persia to be his queen; she stopped a plot to massacre all the Jews in Persia (an event celebrated by Jews as the feast of Purim)
  4. isotherm (meteorology) an isogram connecting points having the same temperature at a given time
  5. aesthetic characterized by an appreciation of beauty or good taste
  6. aster a chiefly fall-blooming herb with showy daisylike flowers
  7. ester formed by reaction between an acid and an alcohol with elimination of water
  8. weather atmospheric conditions such as temperature and precipitation
  9. as it were as if it were really so
  10. estuary the wide part of a river where it nears the sea
  11. Astaire United States dancer and cinema actor noted for his original and graceful tap dancing (1899-1987)
  12. Wister United States writer (1860-1938)
  13. wisteria any flowering vine of the genus Wisteria
  14. jester a clown employed to entertain a king or nobleman
  15. oyster marine mollusks having a rough irregular shell
  16. easter a wind from the east
  17. ouster a person who supplants someone else
  18. Easter a Christian celebration of the Resurrection of Christ
  19. astir on the move
  20. waster someone who dissipates resources self-indulgently