The Collaborative International Dictionary of English v.0.48:

Equipment \E*quip"ment\, n. [Cf. F. ['e]quipement. See Equip.]
   1. The act of equipping, or the state of being equipped, as
      for a voyage or expedition. --Burke.
      [1913 Webster]

            The equipment of the fleet was hastened by De Witt.
                                                  --Hume.
      [1913 Webster]

   2. Whatever is used in equipping; necessaries for an
      expedition or voyage; the collective designation for the
      articles comprising an outfit; equipage; as, a railroad
      equipment (locomotives, cars, etc.; for carrying on
      business); horse equipments; infantry equipments; naval
      equipments; laboratory equipments.
      [1913 Webster]

            Armed and dight,
            In the equipments of a knight.        --Longfellow.
      [1913 Webster]

WordNet (r) 3.0 (2006):

equipment
    n 1: an instrumentality needed for an undertaking or to perform
         a service

Moby Thesaurus II by Grady Ward, 1.0:

253 Moby Thesaurus words for "equipment":
   Lecher wires, RC oscillator, VOM, VTVM, ability, accessories,
   accouterment, accouterments, adaptation, adjustment, ammeter,
   anemometer, anemoscope, apparatus, appliances, appointments,
   appurtenances, armament, arrangement, attachments, baggage,
   barograph, barometer, basic training, bearer, bed, belongings,
   bevel, bilge pump, binnacle, blanket, boat hook, boss, box,
   briefing, bump, burning-in tool, burr, caliber, capability,
   capacity, case, catering, caulking cotton, caulking iron,
   chandlery, changing bag, chase, clearing the decks, clobber,
   closeup lens, compass, composing stick, conditioning, conveniences,
   darkroom, developing tank, diaphragm, dodging tool, dower, dowry,
   drawsheet, dryer, drying blotter, duffel, easel, electric meter,
   electronic-flash unit, enablement, endowment, enlarger, equipage,
   exposure meter, facilities, facility, faculty, familiarization,
   fid, field-strength meter, filter, finder, finding, fisheye lens,
   fit, fitting, fitting out, fittings, fixing, fixtures, flair,
   flash tube, flashbulb, flashcube, flashgun, flashlight, footstick,
   form, forte, foundation, frame, frequency meter, furnishing,
   furnishings, furnishment, furniture, gadget bag, galley, gear,
   genius, gift, grapnel, grappling iron, grid-dip meter,
   grid-dip oscillator, groundwork, guide, gutter, habiliments,
   hawse bag, hawse hook, high-voltage probe, holystone, hygrograph,
   impedimenta, incident light meter, installations, instinct,
   investment, kit, lens, lens cover, lens hood, light meter, log,
   logistics, long suit, machinery, makeready, making ready, makings,
   manufacture, marlinespike, materials, materiel, matrix, metier,
   milliammeter, mobilization, munition, munitions, natural endowment,
   natural gift, ohmmeter, oscilloscope, outfit, outfitting,
   output indicator, overlay, paraphernalia, parts, photoflash,
   photoflash lamp, photometer, planning, plant, platen, plumbing,
   potential, power, powers, prearrangement, preliminaries,
   preliminary, preliminary act, preliminary step, prep, preparation,
   preparatory study, preparing, prepping, prerequisite, pretreatment,
   processing, procurement, propaedeutic, providing, provision,
   provisioning, provisions, pulse generator, pump, purveyance,
   qualification, quoin, range finder, ratchet, readying, reflector,
   reinforcement, replenishment, resonance indicator, resupply,
   retailing, rig, rigging, selling, shutter, signal generator,
   sounders, spadework, speciality, stock-in-trade,
   stroboscopic light, strong flair, strong point, subsidization,
   subsidy, subvention, supply, supplying, sweep generator, tack,
   tackle, tackling, talent, talents, telephoto lens, the goods,
   the stuff, thermograph, things, timer, toggle, training, trappings,
   traps, treatment, trial, tripod, tryout, tuning, turtle, tympan,
   underlay, utensils, varifocal lens, victualing, viewfinder,
   voltmeter, warm-up, wavemeter, what it takes, zoom lens