1. spinster an elderly unmarried woman
  2. responsible worthy of or requiring trust; held accountable
  3. Ponstel a nonsteroidal anti-inflammatory and analgesic drug (trade name Ponstel) used to treat mild pain (especially menstrual cramps)
  4. responsibility the social force that binds you to a course of action
  5. in style in the current fashion or style
  6. piano stool a stool for piano players; usually adjustable in height
  7. dispensable capable of being eliminated or done without
  8. peristyle a colonnade surrounding a building or enclosing a court
  9. spangled covered with beads or jewels or sequins
  10. spangle adornment consisting of a small piece of shiny material
  11. spiny softshell river turtle of western United States with a warty shell
  12. sarcostyle one of many contractile filaments that make up a striated muscle fiber
  13. Spanish tea rank-smelling tropical American pigweed
  14. prostyle marked by columniation having free columns in a portico only across the opening to the structure
  15. business deal a particular instance of buying or selling
  16. expansible able to expand or be expanded
  17. spiny-stemmed having a spiny stem
  18. turnstile a rotating gate through which people can pass one by one
  19. Spanish cedar tropical American tree yielding fragrant wood used especially for boxes
  20. responsibly in a responsible manner