Source : Webster's Revised Unabridged Dictionary (1913)

Patronize \Pa"tron*ize\, v. t. [imp. & p. p. {Patronized}; p.
   pr. & vb. n. {Patronizing}.]
   1. To act as patron toward; to support; to countenance; to
      favor; to aid.

            The idea has been patronized by two States only.
                                                  --A. Hamilton.

   2. To trade with customarily; to frequent as a customer.
      [Commercial Cant]

   3. To assume the air of a patron, or of a superior and
      protector, toward; -- used in an unfavorable sense; as, to
      patronize one's equals.

Source : WordNet®

patronized
     adj : having patronage or clients; "street full of flourishing
           well-patronized shops" [syn: {patronised}] [ant: {unpatronized}]