WordNet (r) 3.0 (2006):

get away
    v 1: run away from confinement; "The convicted murderer escaped
         from a high security prison" [syn: escape, get away,
         break loose]
    2: escape potentially unpleasant consequences; get away with a
       forbidden action; "She gets away with murder!"; "I couldn't
       get out from under these responsibilities" [syn: get off,
       get away, get by, get out, escape]
    3: remove oneself from a familiar environment, usually for
       pleasure or diversion; "We escaped to our summer house for a
       few days"; "The president of the company never manages to get
       away during the summer" [syn: escape, get away]

Moby Thesaurus II by Grady Ward, 1.0:

63 Moby Thesaurus words for "get away":
   bail out, be getting along, beg, blow, break away, break jail,
   break loose, buzz off, circumvent, come away, cut loose, depart,
   ditch, double, elude, escape, escape prison, evade, exit, flee,
   fly the coop, gang along, get along, get around, get away from,
   get clear of, get free, get off, get on, get out, get out of,
   get under way, go, go along, go away, go off, go on, jump, leave,
   make a getaway, march off, mosey, move away, move off, move out,
   pull out, quit, retire, sashay, sashay off, shake, shake off,
   shuffle out of, skip, skirt, slip the collar, stagger along,
   take flight, take wing, toddle along, up and go, wing it,
   withdraw