1. support system a network of facilities and people who interact and remain in informal communication for mutual assistance; a network that enables you to live in a certain style
  2. shipboard system a system designed to work as a coherent entity on board a naval ship
  3. life-support system medical equipment that assists or replaces important bodily functions and so enables a patient to live who otherwise might not survive
  4. security system an electrical device that sets off an alarm when someone tries to break in
  5. solar system the sun with the celestial bodies that revolve around it
  6. spoils system the system of employing and promoting civil servants who are friends and supporters of the group in power
  7. sports stadium a large structure for open-air sports or entertainments
  8. sportscaster an announcer who reads sports news or describes sporting events
  9. portal system system of veins that carry blood from the abdominal organs to the liver
  10. point system a system of evaluation based on awarding points according to rules
  11. respiratory system the system for taking in oxygen and giving off carbon dioxide; in terrestrial animals this is accomplished by breathing
  12. sewer system facility consisting of a system of sewers for carrying off liquid and solid sewage
  13. subway system an electric railway operating below the surface of the ground (usually in a city)
  14. root system a developed system of roots
  15. subsystem a system that is part of some larger system
  16. supertwister the most powerful tornado which can create enormously devastating damage
  17. servosystem control system that converts a small mechanical motion into one requiring much greater power; may include a negative feedback system
  18. software system (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory
  19. opportunity a possibility from a favorable combination of circumstances
  20. merit system the system of employing and promoting civil servants on the basis of ability