WordNet (r) 3.0 (2006):

jack up
    v 1: lift with a special device; "jack up the car so you can
         change the tire" [syn: jack, jack up]

Moby Thesaurus II by Grady Ward, 1.0:

43 Moby Thesaurus words for "jack up":
   add to, aggrandize, amplify, augment, bawl out, boost, broaden,
   build, build up, chew, chew ass, chew out, cuss out, enlarge,
   exalt, expand, extend, fatten, fill out, give a going-over,
   give hail Columbia, give hell, give the deuce, give what-for, hike,
   hike up, increase, inflate, jump, jump up, lambaste, lengthen,
   maximize, parlay, put up, pyramid, raise, ream, ream ass, ream out,
   sit on, thicken, up