apostolize verb2 •To make sacred or apostolic.So he learns to "apostolize" the tying of a parcel or the washing of a dish, by offering that trivial action as an expression of his love. — 1951 •(no longer used) To convert; to proselytize.In the year 1835, the Holy Synod thought it necessary to apostolize a little in the district of Wiatka, and to convert the Tcheremisses (heathens) to the right faith. — 1855 formsapostolized · apostolizing · apostolizes