D defs.my
Entry 1 sense Webster, 1913

Attitudinize

· At·ti·tu·di·nize · IPA /ˌætəˈtud(ɪ)nˌaɪz/
01 v. i. To assume affected attitudes; to strike an attitude; to pose.
  1. 1.
    To assume affected attitudes; to strike an attitude; to pose.
    “Maria, who is the most picturesque figure, was put to attitudinize at the harp.” — Hannah More.