"action or process of rendering political," 1918, noun of action from politicize in the "render political" sense.
Entries linking to politicization
politicize v.
1758, intransitive, "take up or engage in politics," from politics + -ize. The transitive meaning "to render political" is from 1846 and is the main modern sense. Related: Politicized; politicizing. Earlier was politize (late 16c.), but this was rare. Politicalize (1869) also has been tried.