mis·sion·ize (mĭsh'ə-nīz') v.
mis·sion·ized, mis·sion·iz·ing, mis·sion·iz·es
v.
intr. To do missionary work. v.
tr.
To perform missionary work in or among.
To bring under the influence or control of a mission: "Eastern Apaches in what is now Texas were even missionized—briefly—in the eighteenth century"(William Brandon).