-evangelize-

v. t. [ imp. & p. p. evangelized p. pr. & vb. n. evangelizing . [ F. évangélisre, LL. evangelizare, fr. Gr. e'yaggeli`zesqai. ] 1. To instruct in the gospel; to preach the gospel to; to convert to Christianity; as, to evangelize the world. [ 1913 Webster ]

His apostles whom he sends
To evangelize the nations. Milton. [ 1913 Webster ]

2. Hence: [ metaphorical ] To preach and attempt to convert (people) to one's firmly held belief. [ PJC ]