Definition of humanitarianize in English:
humanitarianize
(also humanitarianise)
verb ˌhjuːmanɪˈtɛːrɪənʌɪzhjʊˌmanɪˈtɛːrɪənʌɪz
with object To make more human or humane; to make humanitarian.
Origin
Late 19th century. From humanitarian + -ize. Compare earlier humanitarianism and humanize.