The Collaborative International Dictionary of English v.0.48:

Adjust \Ad*just"\, v. t. [imp. & p. p. Adjusted; p. pr. & vb.
   n. Adjusting.] [OF. ajuster, ajoster (whence F. ajouter to
   add), LL. adjuxtare to fit; fr. L. ad + juxta near; confused
   later with L. ad and justus just, right, whence F. ajuster to
   adjust. See Just, v. t. and cf. Adjute.]
   1. To make exact; to fit; to make correspondent or
      conformable; to bring into proper relations; as, to adjust
      a garment to the body, or things to a standard.
      [1913 Webster]

   2. To put in order; to regulate, or reduce to system.
      [1913 Webster]

            Adjusting the orthography.            --Johnson.
      [1913 Webster]

   3. To settle or bring to a satisfactory state, so that
      parties are agreed in the result; as, to adjust accounts;
      the differences are adjusted.
      [1913 Webster]

   4. To bring to a true relative position, as the parts of an
      instrument; to regulate for use; as, to adjust a telescope
      or microscope.
      [1913 Webster]

   Syn: To adapt; suit; arrange; regulate; accommodate; set
        right; rectify; settle.
        [1913 Webster]

WordNet (r) 3.0 (2006):

adjust
    v 1: alter or regulate so as to achieve accuracy or conform to a
         standard; "Adjust the clock, please"; "correct the
         alignment of the front wheels" [syn: adjust, set,
         correct]
    2: place in a line or arrange so as to be parallel or straight;
       "align the car with the curb"; "align the sheets of paper on
       the table" [syn: align, aline, line up, adjust] [ant:
       skew]
    3: adapt or conform oneself to new or different conditions; "We
       must adjust to the bad economic situation" [syn: adjust,
       conform, adapt]
    4: make correspondent or conformable; "Adjust your eyes to the
       darkness"
    5: decide how much is to be paid on an insurance claim

Moby Thesaurus II by Grady Ward, 1.0:

267 Moby Thesaurus words for "adjust":
   abate, accept, acclimate, acclimatize, accommodate,
   accommodate with, accord, accustom, adapt, adapt to, addict,
   adjust, adjust to, agree with, alter, ameliorate, arbitrate,
   arrange, arrange matters, assimilate, assimilate to, assuage,
   attune, balance, be guided by, bend, better, box in, break,
   break in, break up, bring to terms, bring together, bulk,
   button up, cancel, capacitate, case harden, change, chart,
   chime in with, circumscribe, close, close up, close with, codify,
   compensate, comply, comply with, compose, compound, compromise,
   conclude, condition, condone, confirm, conform, convert,
   coordinate, cop out, correct, correspond, countenance,
   counterbalance, counterpoise, countervail, cut to, deform,
   denature, diminish, discipline, diversify, domesticate,
   domesticize, duck responsibility, enable, enlarge, equalize,
   equate, equip, establish, evade responsibility, even, even up,
   fall in with, familiarize, fasten up, fit, fix, fix up, follow,
   furnish, gauge, gear to, gentle, get used to, give and take,
   give way, go by, go fifty-fifty, grade, graduate, grin and abide,
   group, habituate, harden, harmonize, heal the breach, hedge,
   hedge about, homologate, homologize, housebreak, improve,
   integrate, inure, key to, leaven, let go by, let pass, level,
   limit, make a deal, make an adjustment, make concessions,
   make conform, make peace, make plumb, make right, make uniform,
   make up, match, measure, mediate, meet, meet halfway, meliorate,
   methodize, mitigate, moderate, modify, modulate, mold, mutate,
   narrow, naturalize, normalize, obey, observe, order, organize,
   orient, orient the map, orientate, overlook, overthrow, palliate,
   patch things up, patch up, plan, play politics, poise, proportion,
   put in order, put in trim, put in tune, put right, put to rights,
   quadrate, qualify, range, rank, rationalize, re-create,
   reach a compromise, realign, rearrange, rebuild, reconcile,
   reconstruct, rectify, redesign, redress, reduce, refit, reform,
   regularize, regulate, regulate by, remake, renew, reshape, resolve,
   restore harmony, restrain, restrict, restructure, reunite, revamp,
   revive, rig, right, ring the changes, rise above, routinize,
   rub off corners, season, set, set conditions, set limits,
   set right, set to rights, settle, settle differences, settle with,
   shape, shift the scene, shrug, shrug it off, shuffle the cards,
   similarize, size, smooth it over, soften, sort,
   split the difference, square, stabilize, standardize, steady,
   straighten, straighten out, strike a balance, strike a bargain,
   submit to, subvert, suit, surrender, sync, synchronize,
   systematize, tailor, take the mean, take to, tally with, tame,
   temper, train, trim, trim to, true, true up, tune, tune up,
   turn the scale, turn the tables, turn the tide, turn upside down,
   vary, weave peace between, wont, work a change, work out, worsen,
   yield, yield to, zip up