The Collaborative International Dictionary of English v.0.48:

heated \heated\ adj.
   1. characterized by great warmth and intensity of feeling;
      as, a heated argument. Opposite of dispassionate,
      passionless. [WordNet sense 1]

   Syn: ardent, fervent, fervid, fiery, hot, impassioned,
        perfervid, torrid.
        [WordNet 1.5]

   2. supplied with a mechanism for heating; -- of structures or
      devices; as, a heated fishing cabin. Opposite of
      unheated. [WordNet sense 2]
      [WordNet 1.5 +PJC]

The Collaborative International Dictionary of English v.0.48:

Heat \Heat\ (h[=e]t), v. t. [imp. & p. p. Heated; p. pr. & vb.
   n. Heating.] [OE. heten, AS. h[=ae]tan, fr. h[=a]t hot. See
   Hot.]
   1. To make hot; to communicate heat to, or cause to grow
      warm; as, to heat an oven or furnace, an iron, or the
      like.
      [1913 Webster]

            Heat me these irons hot.              --Shak.
      [1913 Webster]

   2. To excite or make hot by action or emotion; to make
      feverish.
      [1913 Webster]

            Pray, walk softly; do not heat your blood. --Shak.
      [1913 Webster]

   3. To excite ardor in; to rouse to action; to excite to
      excess; to inflame, as the passions.
      [1913 Webster]

            A noble emulation heats your breast.  --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

heated
    adj 1: made warm or hot (`het' is a dialectal variant of
           `heated'); "a heated swimming pool"; "wiped his heated-up
           face with a large bandana"; "he was all het up and
           sweaty" [syn: heated, heated up, het, het up]
    2: marked by emotional heat; vehement; "a heated argument"

Moby Thesaurus II by Grady Ward, 1.0:

161 Moby Thesaurus words for "heated":
   abandoned, ablaze, acrimonious, afire, angry, ardent, aroused,
   baked, baking, bitter, blistering, boiled, boiling, boiling over,
   braised, breathless, broiled, broiling, browned, burning,
   burning hot, burning with excitement, canicular, coddled,
   committed, cooked, cordial, curried, dedicated, delirious, deviled,
   devoted, devout, drunk, earnest, ebullient, electric-heated,
   enthusiastic, excited, exuberant, faithful, fanatic, febrile,
   fervent, fervid, fevered, feverish, fiery, fired, flaming, flushed,
   frantic, frenetic, frenzied, fricasseed, fried, furious,
   gas-heated, glowing, grilled, grilling, hard-core, hearty, hectic,
   het, het up, hot, hot as fire, hot as hell, hot-air-heated,
   hot-blooded, hotheaded, hotted up, impassioned, in earnest, in rut,
   indignant, inflamed, intense, intensified, intent, intent on,
   intoxicated, irate, ireful, keen, like a furnace, like an oven,
   lively, loyal, mad, madcap, oil-heated, on fire, oven-baked,
   overheated, overwarm, pan-broiled, parboiled, parching, passionate,
   perfervid, piping hot, poached, quickened, rechauffe, recooked,
   red-hot, reheated, resolute, roast, roasted, roasting, sauteed,
   scalding, scalloped, scorching, seared, searing, seething, serious,
   sexually excited, shirred, simmering, sincere, sizzling,
   sizzling hot, smoking hot, spirited, steam-heated, steamed,
   steaming, steamy, stewed, stimulated, stormy, sudorific,
   superheated, sweating, sweaty, sweltering, sweltry, tempestuous,
   toasted, toasting, torrid, totally committed, unrestrained,
   vehement, vigorous, violent, warm, warmed, warmed up, warmed-over,
   waxy, white-hot, wrathful, wrathy, wroth, zealous