The Collaborative International Dictionary of English v.0.48:

Dominate \Dom"i*nate\, v. t. [imp. & p. p. Dominated; p. pr. &
   vb. n. Dominating.] [L. dominatus, p. p. of dominari to
   dominate, fr. dominus master, lord. See Dame, and cf.
   Domineer.]
   To predominate over; to rule; to govern. "A city dominated by
   the ax." --Dickens.
   [1913 Webster]

         We everywhere meet with Slavonian nations either
         dominant or dominated.                   --W. Tooke.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

dominated \dominated\ adj.
   1. controlled or ruled by superior authority or power.

   Syn: dominated by, under the thumb of(predicate).
        [WordNet 1.5]

   2. controlled by one's wife; -- of men.

   Syn: henpecked.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

dominated
    adj 1: controlled or ruled by superior authority or power
    2: harassed by persistent nagging [syn: dominated,
       henpecked]