Source : Webster's Revised Unabridged Dictionary (1913)

Adjustment \Ad*just"ment\ (-ment), n. [Cf. F. ajustement. See
   {Adjust}.]
   1. The act of adjusting, or condition of being adjusted; act
      of bringing into proper relations; regulation.

            Success depends on the nicest and minutest
            adjustment of the parts concerned.    --Paley.

   2. (Law) Settlement of claims; an equitable arrangement of
      conflicting claims, as in set-off, contribution,
      exoneration, subrogation, and marshaling. --Bispham.

   3. The operation of bringing all the parts of an instrument,
      as a microscope or telescope, into their proper relative
      position for use; the condition of being thus adjusted;
      as, to get a good adjustment; to be in or out of
      adjustment.

   Syn: Suiting; fitting; arrangement; regulation; settlement;
        adaptation; disposition.

Source : WordNet®

adjustment
     n 1: making or becoming suitable; adjusting to circumstances
          [syn: {accommodation}, {fitting}]
     2: the act of making something different (as e.g. the size of a
        garment) [syn: {alteration}, {modification}]
     3: the act of adjusting something to match a standard [syn: {registration},
         {readjustment}]
     4: the process of adapting to something (such as environmental
        conditions) [syn: {adaptation}]
     5: an amount added or deducted on the basis of qualifying
        circumstances; "an allowance for profit" [syn: {allowance}]