par·tial·ize \ˈpärshəˌlīz, ˈpȧsh-\verb (-ed/-ing/-s) Etymology: Middle French partialiser, from partial + -iser -ize transitive verb : to make partial : give bias to < his hate will partialize his opinion — Owen Feltham > intransitive verb : to concern oneself with or give emphasis to a part rather than the whole of something