WordNet (r) 3.0 (2006):

restructure
    v 1: construct or form anew or provide with a new structure;
         "After his accident, he had to restructure his life"; "The
         governing board was reconstituted" [syn: restructure,
         reconstitute]

Moby Thesaurus II by Grady Ward, 1.0:

70 Moby Thesaurus words for "restructure":
   accommodate, adapt, adjust, alter, ameliorate, better, break up,
   change, convert, copy, deform, denature, diversify, do over,
   duplicate, fit, improve, make over, meliorate, mitigate, modify,
   modulate, mutate, overthrow, qualify, re-create, re-form, realign,
   rearrange, rebuild, reconstitute, reconstruct, redesign, redispose,
   redistribute, redo, reestablish, refashion, refit, reform, refound,
   regenerate, reinstitute, reissue, remake, renew, renovate, reorder,
   reorganize, repeat, reprint, reproduce, reshape, restore,
   resurrect, revamp, revise, revive, ring the changes, shake up,
   shift the scene, shuffle the cards, subvert, turn the scale,
   turn the tables, turn the tide, turn upside down, vary,
   work a change, worsen