Argument

Ar"gu*ment (ăr"g?*ment), v. i. [L. argumentari.] To make an argument; to argue. [Obs.] Gower.

Ar"gu*ment (?), n. [F. argument, L. argumentum, fr. arguere to argue.] 1. Proof; evidence. [Obs.]

There is.. no more palpable and convincing argument of the existence of a Deity.
Ray.

Why, then, is it made a badge of wit and an argument of parts for a man to commence atheist, and to cast off all belief of providence, all awe and reverence for religion?
South.

2. A reason or reasons offered in proof, to induce belief, or convince the mind; reasoning expressed in words; as, an argument about, concerning, or regarding a proposition, for or in favor of it, or against it.

3. A process of reasoning, or a controversy made up of rational proofs; argumentation; discussion; disputation.

The argument is about things, but names.
Locke.

4. The subject matter of a discourse, writing, or artistic representation; theme or topic; also, an abstract or summary, as of the contents of a book, chapter, poem.

You and love are still my argument.
Shak.

The abstract or argument of the piece.
Jeffrey.

[Shields] with boastful argument portrayed.
Milton.

5. Matter for question; business in hand. [Obs.]

Sheathed their swords for lack of argument.
Shak.

6. (Astron.) The quantity on which another quantity in a table depends; as, the altitude is the argument of the refraction.

7. (Math.) The independent variable upon whose value that of a function depends. Brande & C.