Proof; evidence.
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.
A process of reasoning, or a controversy made up
of rational proofs; argumentation; discussion; disputation.
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.
Matter for question; business in hand.
The quantity on which another
quantity in a table depends; as, the altitude is the argument of the
refraction.
The independent variable upon
whose value that of a function depends.
In celebration of Noah Webster's Birthday (October 16, 2009), we have prepared an updated website. 
r"g***usl]*ment)