Answer : a technique used in writing or speaking that is intended to persuade
A rhetorical device is a technique used by writers in order to arouse certain emotions from readers or listeners with the intention to convince or persuade. Some rhetorical devices that are being used by authors are allusion, alliteration, anagogue, anaphora, antithesis, epiphet, hyperbole, metaphor and a lot more. These rhetorical devices are proven to be very effective techniques in persuading the readers or the audience to view a certain scenario or event in a different perspective.