missionizing1
/ˈmɪʃənʌɪzɪŋ/(also missionising)
noun
Missionary activity or work, especially the conducting or promoting of religious missions.
Origin
Mid 19th century. From missionize + -ing.
missionizing2
/ˈmɪʃənʌɪzɪŋ/(also missionising)
adjective
Engaged on a religious mission, missionary.
Origin
Mid 19th century; earliest use found in Margaret Oliphant (1828–1897), novelist and biographer. From missionize + -ing.