Source : Webster's Revised Unabridged Dictionary (1913)

Subsidize \Sub"si*dize\, v. t. [imp. & p. p. {Subsidized}; p.
   pr. & vb. n. {Subsidizing}.] [From {Subsidy}.]
   To furnish with a subsidy; to purchase the assistance of by
   the payment of a subsidy; to aid or promote, as a private
   enterprise, with public money; as, to subsidize a steamship
   line.

         He employed the remittances from Spain to subsidize a
         large body of German mercenaries.        --Prescott.