v. nonce-word. [f. STALWART + -IZE.] trans. To turn (a political party) into stalwarts (see STALWART sb. 2).
1880. Daily Memphis, 19 Nov., 1/7. They might even enlarge the jurisdiction of federal courts at the expense of state courts, and centralize and stalwartize thing generally.
1882. N. Y. Tribune, 12 April. An attempt is being made to stalwartize the Republican party, to convert its majority against its will from Garfield to Stalwart Republicanism.