or·a·tor·i·cal /ˌɔrəˈtɔrɪkəl, ˌɑrəˈtɑr-/
Or·a·tor·ic·al a. Of or pertaining to an orator or to oratory; characterized by oratory; rhetorical; becoming to an orator; as, an oratorical triumph; an oratorical essay. -- Or*a*tor*ic*al*ly, adv.
adj : characteristic of an orator or oratory; "oratorical prose";
"harangued his men in an oratorical way"- Robert Graves