Source : Webster's Revised Unabridged Dictionary (1913)

Baptize \Bap*tize"\, v. t. [imp. & p. p. {Baptized}; p. pr. &
   vb. n. {Baptizing}.] [F. baptiser, L. baptizare, fr.Gr. ?.
   See {Baptism}.]
   1. To administer the sacrament of baptism to.

   2. To christen ( because a name is given to infants at their
      baptism); to give a name to; to name.

            I'll be new baptized; Henceforth I never will be
            Romeo.                                --Shak.

   3. To sanctify; to consecrate.

Source : WordNet®

baptized
     adj : having undergone the Christian ritual of baptism [syn: {baptised}]
           [ant: {unbaptized}]