Definition of attitudinizes:
(v) :
(intransitive) 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.
(v) :
(transitive) To cause (someone or something) to assume an attitude or pose; to pose, to posture.
(v) :
(transitive) To give the appearance of, or make a show of, (something) by assuming an affected or exaggerated attitude.
(v) :
(intransitive) (figurative) To create art, speak, or write in a manner which assumes affected, exaggerated, or unnatural attitudes.