1. Stevenson Scottish author (1850-1894)
  2. Stephenson English railway pioneer who built the first passenger railway in 1825 (1781-1848)
  3. Stevens United States psychologist and psychophysicist who proposed Stevens' power law to replace Fechner's law (1906-1973)
  4. strenuousness extreme effortfulness
  5. St. Vincent an island in the center of the Windward Islands
  6. seven seas an informal expression for all of the oceans of the world
  7. Stefan Wyszynski Polish prelate who persuaded the Soviet to allow greater religious freedom in Poland (1901-1981)
  8. Stevens' law (psychophysics) the concept that the magnitude of a subjective sensation increases proportional to a power of the stimulus intensity
  9. evensong the sixth of the seven canonical hours of the divine office
  10. Stephen Sondheim United States composer of musicals (born in 1930)
  11. sevensome seven people considered as a unit
  12. Steffens United States journalist whose exposes in 1906 started an era of muckraking journalism (1866-1936)
  13. stephanotis any of various evergreen climbing shrubs of the genus Stephanotis having fragrant waxy flowers
  14. tension the action of stretching something tight
  15. stiffness the physical property of being inflexible and hard to bend
  16. stiffening the act of becoming stiff
  17. tenseness the physical condition of being stretched or strained
  18. seventies the time of life between 70 and 80
  19. defenseless lacking protection or support
  20. Saint Vincent an island in the center of the Windward Islands