<p><strong>Noun</strong></p><ul><li>appearance, especially the look or expression of the face: a sad countenance.</li><li>the face; visage.</li><li>calm facial expression; composure.</li><li>approval or favor; encouragement; moral support.</li><li>Obsolete: bearing; behavior.</li></ul><p><strong>Verb</strong></p><ul><li>to permit or tolerate: You should not have countenanced his rudeness.</li><li>to approve, support, or encourage.</li></ul>