Definition
Deliberative rhetoric is one of Aristotle's three branches of oratory, distinguished by its orientation in time and its characteristic question. It is the rhetoric of the future — of advice, exhortation, and dissuasion — and it asks: what should we do? Its native settings are the assembly, the council, the parliament, the boardroom, and the campaign trail. Its characteristic appeals are to advantage and disadvantage, utility and harm, the expedient and the inexpedient.
Aristotle paired deliberative with forensic (judicial, oriented to the past) and epideictic (ceremonial, oriented to the present). Each branch has its own genre conventions, characteristic topics, and standards of proof. Deliberative rhetoric is the most overtly political of the three, because it bears directly on collective action.
Why it matters
How it works
A deliberative speech typically argues that a proposed course of action is expedient (will produce advantage), possible (can actually be done), necessary (the alternative is worse), or just (consistent with shared values) — and that competing courses fail one or more of these tests. The orator marshals consequences, precedents, analogies with past successes and failures, and the testimony of expertise. Pathos enters through fear of loss and hope of gain; ethos through demonstrated good judgment in past cases.
The genre is older than democracy and outlives it: Cicero gave deliberative speeches in the Roman Senate, Burke gave them in the British Commons, Lincoln on the stump, Churchill in wartime, and the modern parliamentarian gives them every day. Whenever an audience must collectively choose what to do next, deliberative rhetoric is the form the choice takes.