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.
      [1913 Webster]

            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.
      [1913 Webster]

            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]

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.
   [1913 Webster]

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]

Moby Thesaurus II by Grady Ward, 1.0:

210 Moby Thesaurus words for "fitting":
   a propos, about-face, accessories, accommodation, accordant,
   according to Hoyle, accouterments, ad rem, adaptation, adapted,
   adjustment, advantageous, advisable, alteration, amelioration,
   apostasy, apparatus, appliances, applicable, appointments,
   apposite, appropriate, appurtenances, apropos, apt, armament,
   attachments, auspicious, banausic, becoming, befitting, beneficial,
   betterment, break, change, change of heart, changeableness, civil,
   comely, comme il faut, commodious, concordant, condign,
   conditioning, congruous, constructive change, continuity,
   conveniences, convenient, conversion, correct, decent, decorous,
   defection, degeneration, degenerative change, desirable, desired,
   deterioration, deviation, difference, discontinuity, divergence,
   diversification, diversion, diversity, dovetailing, due, duffel,
   elements, employable, enablement, equipage, equipment, expedient,
   facilities, facility, favorable, feasible, felicitous, fit, fitted,
   fitten, fittings, fixtures, flip-flop, fortunate, fructuous,
   functional, furnishing, furnishings, furniture, gear, geared,
   genteel, germane, good, good for, gradual change, happy,
   harmonious, helpful, impedimenta, improvement, inspired,
   installations, just, just right, kit, kosher, likely, lucky,
   machinery, materiel, meet, melioration, meshing, mitigation,
   modification, modulation, munition, munitions, nice, normal,
   normative, of general utility, of help, of service, of use,
   on the button, opportune, outfit, overthrow, paraphernalia, parts,
   pat, pertinent, pieces, plant, plumbing, politic, practical,
   pragmatical, profitable, proper, propitious, providential,
   qualification, qualified, radical change, recommendable, redesign,
   reform, reformation, relevant, remaking, renewal, reshaping,
   restructuring, reversal, revival, revivification, revolution, rig,
   rigging, right, right and proper, righteous, rightful, ripe,
   seasonable, seemly, serviceable, shift, sortable, stock-in-trade,
   sudden change, suitable, suited, suiting, switch, tackle, tailored,
   things, timely, to be desired, to the point, to the purpose,
   total change, transition, trappings, tuning, turn, turnabout,
   units, upheaval, urbane, useful, utensils, utilitarian, variation,
   variety, violent change, well-chosen, well-expressed, well-put,
   well-timed, wise, worsening, worthwhile