The Collaborative International Dictionary of English v.0.48:

Fit \Fit\, v. t. [imp. & p. p. Fitted; p. pr. & vb. n.
   Fitting.]
   1. To make fit or suitable; to adapt to the purpose intended;
      to qualify; to put into a condition of readiness or
      preparation.
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            The time is fitted for the duty.      --Burke.
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            The very situation for which he was peculiarly
            fitted by nature.                     --Macaulay.
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   2. To bring to a required form and size; to shape aright; to
      adapt to a model; to adjust; -- said especially of the
      work of a carpenter, machinist, tailor, etc.
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            The carpenter . . . marketh it out with a line; he
            fitteth it with planes.               --Is. xliv.
                                                  13.
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   3. To supply with something that is suitable or fit, or that
      is shaped and adjusted to the use required.
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            No milliner can so fit his customers with gloves.
                                                  --Shak.
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   4. To be suitable to; to answer the requirements of; to be
      correctly shaped and adjusted to; as, if the coat fits
      you, put it on.
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            That's a bountiful answer that fits all questions.
                                                  --Shak.
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            That time best fits the work.         --Shak.
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   To fit out, to supply with necessaries or means; to
      furnish; to equip; as, to fit out a privateer.

   To fit up, to furnish with things suitable; to make proper
      for the reception or use of any person; to prepare; as, to
      fit up a room for a guest.
      [1913 Webster]

WordNet (r) 3.0 (2006):

fitted
    adj 1: being the right size and shape to fit as desired; "a
           fitted overcoat"; "he quickly assembled the fitted
           pieces"

Moby Thesaurus II by Grady Ward, 1.0:

77 Moby Thesaurus words for "fitted":
   a propos, able, acceptable, accoutered, ad rem, adapted, adjusted,
   admissible, applicable, apposite, appropriate, apropos, apt, armed,
   au fait, becoming, befitting, bespoke, capable, catered,
   checked out, competent, conformable, custom-made, desirable,
   dovetailing, efficient, eligible, endowed, enfranchised, equal to,
   equipped, felicitous, fit, fitted for, fitted out, fitting,
   furnished, geared, happy, heeled, invested, journeyman, just right,
   likely, matched, meshing, on the button, opportune, outfitted, pat,
   prepared, proficient, provided, purveyed, qualified, relevant,
   rigged, right, seasonable, sortable, suitable, suited, suiting,
   supplied, tailor-made, tailored, to the point, to the purpose,
   up to, up to snuff, well-fitted, well-qualified, well-suited,
   with voice, with vote, worthy