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.
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The Collaborative International Dictionary of English v.0.48:

Fitting \Fit"ting\, n.
   Anything used in fitting up; especially (pl.), necessary
   fixtures or apparatus; as, the fittings of a church or study;
   gas fittings.
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The Collaborative International Dictionary of English v.0.48:

Fitting \Fit"ting\, a.
   Fit; appropriate; suitable; proper. -- Fit"ting*ly, adv. --
   Fit"ting*ness, n. --Jer. Taylor.
   [1913 Webster]

WordNet (r) 3.0 (2006):

fitting
    adj 1: in harmony with the spirit of particular persons or
           occasion; "We have come to dedicate a portion of that
           field...It is altogether fitting and proper that we
           should do this"
    2: being precisely fitting and right; "it is only meet that she
       should be seated first" [syn: fitting, meet]
    n 1: making or becoming suitable; adjusting to circumstances
         [syn: adjustment, accommodation, fitting]
    2: a small and often standardized accessory to a larger system
    3: (usually plural) furnishings and equipment (especially for a
       ship or hotel) [syn: appointment, fitting]
    4: putting clothes on to see whether they fit [syn: fitting,
       try-on, trying on]