Exordium (rhetoric)

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In Western classical rhetoric, the exordium was the introductory portion of an oration. The term is Latin and the Greek equivalent was called the Proem or Prooimion.

The exordium is one of six parts of a discourse that an orator would develop as part of the rhetorical discipline known as dispositio — the arrangement of the arguments in an oration. In the exordium, the orator laid out the purpose of the discourse. In doing this, he would need to consider several things:

What kind of cause is he presenting? For instance, is it an honorable cause (defense of a hero) or a dishonorable one (defense of a murderer)?
Should he use a direct opening, or should the opening be more subtle and indirect?
In what manner ought the speaker to procede (e.g. light-heartedly or seriously)
The speaker should introduce his own character, or his credentials, so as to make the audience predisposed to believing his arguments.
If required, or possible, the speaker might also call into question the character or credentials of his opponent.
Lastly, the speaker must avoid certain faults in the introduction. For example, this excerpt from the Rhetorica ad Herennium lists several faults:

"In the Introduction of a cause we must make sure that our style is temperate and that the words are in current use, so that the discourse seems unprepared. An Introduction is faulty if it can be applied as well to a number of causes; that is called a banal Introduction. Again, an Introduction which the adversary can use no less well is faulty, and that is called a common Introduction. That Introduction, again, is faulty which the opponent can turn to his own use against you. And again that is faulty which has been composed in too laboured a style, or is too long; and that which does not appear to have grown out of the cause itself in such a way to have an intimate connection with the Statement of Facts; and, finally, that which fails to make the hearer well disposed or receptive or attentive." (Rhetorica ad Herennium, I. vii, 11, trans. Harry Caplan, Loeb Classical Library, 1954.)

In short, the exordium was the portion of the discourse, in which the orator would prepare the audience to hear his arguments in a favorable frame of mind.

Exordium (rhetoric)

See also