'argumentation' definitions:

Definition of 'argumentation'

(from WordNet)
noun
A discussion in which reasons are advanced for and against some proposition or proposal; "the argument over foreign aid goes on and on" [syn: argument, argumentation, debate]
noun
A course of reasoning aimed at demonstrating a truth or falsehood; the methodical process of logical reasoning; "I can't follow your line of reasoning" [syn: argumentation, logical argument, argument, line of reasoning, line]