1. (noun)scope, range, reach, orbit, compass, ambit an area in which something acts or operates or has power or control: "the range of a supersonic jet"
"a piano has a greater range than the human voice"; "the ambit of municipal legislation"; "within the compass of this article"; "within the scope of an investigation"; "outside the reach of the law"; "in the political orbit of a world power"
2. (noun)setting, background, scope the state of the environment in which a situation exists
"you can't do that in a university setting"
3. (noun)telescope, scope a magnifier of images of distant objects
4. (noun)oscilloscope, scope, cathode-ray oscilloscope, CRO electronic equipment that provides visual images of varying electrical quantities