Source : Webster's Revised Unabridged Dictionary (1913)

Evangelize \E*van"gel*ize\, v. t. [imp. & p. p. {Evangelized};
   p. pr. & vb. n. {Evangelizing}]. [F. ['e]vang['e]lisre, LL.
   evangelizare, fr. Gr. ?.]
   To instruct in the gospel; to preach the gospel to; to
   convert to Christianity; as, to evangelize the world.

         His apostles whom he sends To evangelize the nations.
                                                  --Milton.