Definitions of setting:

• noun:   the context and environment in which something is set

  Example: "The perfect setting for a ghost story"

• noun:   the physical position of something

  Example: "He changed the setting on the thermostat"

• noun:   the state of the environment in which a situation exists

  Example: "You can't do that in a university setting"

• noun:   mounting consisting of a piece of metal (as in a ring or other jewelry) that holds a gem in place
• noun:   a table service for one person

  Example: "A place setting of sterling flatware"

• noun:   arrangement of scenery and properties to represent the place where a play or movie is enacted
• adjective:   (of a heavenly body) disappearing below the horizon

  Example: "The setting sun"

• name:  A surname (very rare: popularity rank in the U.S.: #49451)