Noun

• S: (n) compass (navigational instrument for finding directions)
• S: (n) scope, range, reach, orbit, compass, ambit ()
• S: (n) compass, range, reach, grasp (the limit of capability) "within the compass of education"
• S: (n) compass (drafting instrument used for drawing circles)

Verb

• S: (v) compass (bring about; accomplish) "This writer attempts more than his talents can compass"
• S: (v) circumnavigate, compass (travel around, either by plane or ship) "We compassed the earth"
• S: (v) grok, get the picture, comprehend, savvy, dig, grasp, compass, apprehend (get the meaning of something) "Do you comprehend the meaning of this letter?"