The Oxford Thesaurus An A-Z Dictionary of Synonyms - convert v.

1) change, modify, alter, transform, transmute, mutate, transfigure, transmogrify, remodel, remake, metamorphose: We converted our rowing-boat into a sailing dinghy. 2) proselytize, switch, change (over) : To avoid the horrors of the Inquisition, many Spanish Jews converted to Catholicism. --n. 3) proselyte; neophyte, catechumen, disciple: Converts are often the most passionate believers.