Source : Webster's Revised Unabridged Dictionary (1913)

Affranchise \Af*fran"chise\, v. t. [F. affranchir; ? (L. ad) +
   franc free. See {Franchise} and {Frank}.]
   To make free; to enfranchise. --Johnson.

Source : WordNet®

affranchise
     v : grant freedom to; as from slavery or servitude; "Slaves were
         enfranchised in the mid-19th century" [syn: {enfranchise}]