Verb
(transitive) To magnify the greatness of (someone or something); to exalt.
(intransitive) To act grandly.
magnoperate (third-person singular simple present magnoperates, present participle magnoperating, simple past and past participle magnoperated)
(intransitive, rare) To work on one's magnum opus (“great or important work of art, literature, or music, a masterpiece; best, most popular, or most renowned achievement of an artist or author, representing their major life effort”).