1. space heater heater consisting of a self-contained unit to warm a room
  2. stage setting arrangement of scenery and properties to represent the place where a play or movie is enacted
  3. sight setting the adjustment of a gunsight for elevation and windage on a particular range under favorable light conditions
  4. subsiding a gradual sinking to a lower level
  5. spacefaring a voyage outside the Earth's atmosphere
  6. speed skating competitive skating on speed skates
  7. spacing the time between occurrences of a repeating event
  8. baby sitting the work of a baby sitter
  9. steam heating a heating system in which steam is generated in boilers and piped to radiators
  10. upsetting causing an emotional disturbance
  11. bee sting a sting inflicted by a bee
  12. babysitting the work of a baby sitter
  13. boasting speaking of yourself in superlatives
  14. space station a manned artificial satellite in a fixed orbit designed for scientific research
  15. repositing depositing in a warehouse
  16. posting a sign posted in a public place as an advertisement
  17. basting a loose temporary sewing stitch to hold layers of fabric together
  18. place setting a table service for one person
  19. obstinate marked by tenacious unwillingness to yield
  20. nauseating causing disgust so strong it makes you feel sick