humanitarianism humanitarian • humanitarianist · · · Info · Definitions · Synonyms · Characters · · humanitarianism · · Text Latin · · Script 15 · · Length Definitions · · · (noun) the doctrine that people's duty is to promote human welfare. Synonyms: humanism. · · Noun Definition 1 Synonyms · · · humanism · · Synonym 1 Characters · · a latin small letter a U+0061 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075