The Collaborative International Dictionary of English v.0.48:

Domineer \Dom`i*neer"\, v. i. & t. [imp. & p. p. Domineered;
   p. pr. & vb. n. Domineering.] [F. dominer, L. dominari: cf.
   OD. domineren to feast luxuriously. See Dominate, v. t.]
   To rule with insolence or arbitrary sway; to play the master;
   to be overbearing; to tyrannize; to bluster; to swell with
   conscious superiority or haughtiness; -- often with over; as,
   to domineer over dependents.
   [1913 Webster]

         Go to the feast, revel and domineer.     --Shak.
   [1913 Webster]

         His wishes tend abroad to roam,
         And hers to domineer at home.            --Prior.
   [1913 Webster]

WordNet (r) 3.0 (2006):

domineer
    v 1: rule or exercise power over (somebody) in a cruel and
         autocratic manner; "her husband and mother-in-law tyrannize
         her" [syn: tyrannize, tyrannise, domineer]

Moby Thesaurus II by Grady Ward, 1.0:

48 Moby Thesaurus words for "domineer":
   beat down, break, browbeat, bulldoze, bully, castrate,
   clamp down on, coerce, compel, cow, daunt, despotize, dominate,
   domineer over, enslave, grind, grind down, henpeck, intimidate,
   keep down, keep under, lord it over, oppress, overawe, overbear,
   overmaster, override, predominate, preponderate, press heavy on,
   prevail, reign, repress, ride over, ride roughshod over, subjugate,
   suppress, terrorize, trample down, trample upon, tread down,
   tread upon, tyrannize, tyrannize over, unman, walk all over,
   walk over, weigh heavy on