WordNet (r) 3.0 (2006):

fix up
    v 1: find (something or someone) for; "I'll fix you up with a
         nice girl"
    2: make arrangements for; "Can you arrange a meeting with the
       President?" [syn: arrange, fix up]

Moby Thesaurus II by Grady Ward, 1.0:

138 Moby Thesaurus words for "fix up":
   accommodate, adjust, adorn, arrange, arrange matters, array,
   beautify, bedeck, bedizen, blazon, brew, bring to terms,
   bring together, clean up, clear for action, clear the decks,
   clear up, cobble, color, commission, compose, compound, compromise,
   concoct, condition, cure, dandify, darn, deck, deck out, decoct,
   decorate, deploy, dizen, do up, doctor, doll up, dress, dress up,
   embellish, emblazon, embroider, enrich, fig out, fix, furbish,
   garnish, get ready, get up, grace, groom, gussy up, harmonize,
   heal the breach, make, make arrangements, make preparations,
   make ready, make up, marshal, mediate, mend, mix, mobilize, neaten,
   ornament, overhaul, paint, patch, patch things up, patch up, plan,
   police, police up, prank, prank up, prearrange, preen, prep,
   prepare, pretreat, prettify, primp, primp up, prink, prink up,
   process, provide, put in commission, put in order, put in repair,
   put in shape, put in trim, put in tune, put together, ready,
   ready up, recap, reconcile, recondition, redecorate, redo,
   refurbish, repair, resolve, restore harmony, retread, reunite,
   service, set off, set out, set to rights, settle,
   settle differences, settle preliminaries, sew up, slick, smarten,
   smarten up, smooth it over, spiff, spruce, spruce up,
   straighten up, tan, tidy, tidy up, tinker, tinker up, titivate,
   treat, trick out, trick up, trig up, trim, trim up, try out,
   weave peace between