Rhetoric
noun
The art of using language, especially public speaking, as a means to persuade.
Meaningless language with an exaggerated style intended to impress.
“It’s only so much rhetoric.”
Synonyms: wordcraft
adjective
Part of or similar to rhetoric, the use of language as a means to persuade.
“A rhetorical question is one used merely to make a point, with no response expected.”
Not earnest, or presented only for the purpose of an argument.