evan·ge·lize also Brit evan·ge·lise /ɪˈvænʤəˌlaɪz/ verb evan·ge·liz·es; evan·ge·lized; evan·ge·liz·ing
: to try to convert (a group or area) to a different religion (especially Christianity) [+ obj] ▪ The missionaries set out to evangelize the world. — often used figuratively ▪ They evangelized their neighbors about the importance of saving energy. [no obj] ▪ They were evangelizing about the importance of saving energy.
— evan·ge·li·za·tion also Brit evan·ge·li·sa·tion /ɪˌvænʤələˈzeɪʃən, Brit ɪˌvænʤəˌlaɪˈzeɪʃən/ noun