attitudinize

verb4

1. •
   To cause (someone or something) to assume an attitude or pose; to pose, to posture.

   • In Greenwich, there were many gravelled walks, unshrubbed except for the nurses who dotted them, silent and attitudinized as trees. — 1951
2. •
   To give the appearance of, or make a show of, (something) by assuming an affected or exaggerated attitude.
3. •
   To assume an attitude or pose, especially one which is affected, exaggerated, or unnatural; to posture, to posturize; also, to excessively practise adopting attitudes or poses.

   • He had a great aversion to gesticulating in company. He called once to a gentleman vvho offended him in that point, "Don't attitudenise." — 1791
4. •
   (figurative) To create art, speak, or write in a manner which assumes affected, exaggerated, or unnatural attitudes.

   • In every line that he wrote Cicero was attitudinising for posterity, or reflecting on the effect of his conduct upon his interests or his reputation. — 1879