The Collaborative International Dictionary of English v.0.48:

Steam up \Steam` up"\ (st[=e]m` [u^]p"), v. t.
   To cause to be covered by a translucent layer of condensed
   water in fine droplets, such as by breathing on a cold
   window; to fog; as, to steam up one's eyeglasses.
   [PJC]

Moby Thesaurus II by Grady Ward, 1.0:

64 Moby Thesaurus words for "steam up":
   annoy, arouse, awake, awaken, blow the coals, blow up, call forth,
   call up, charge, cock, enkindle, enrage, excite, fan, fan the fire,
   fan the flame, feed the fire, fire, flame, foment, frenzy,
   get up steam, heat, impassion, incense, incite, inflame, infuriate,
   ire, key up, kindle, lather up, light the fuse, light up, load,
   mad, madden, move, overexcite, prime, rouse, set, set astir,
   set fire to, set on fire, stir, stir the blood, stir the embers,
   stir the feelings, stir up, summon up, turn on, umbrage, wake,
   wake up, waken, warm, warm the blood, warm up, whip up, wind,
   wind up, work into, work up