Argumentation

noun
  1. The process of reasoning systematically in support of an idea, action, or theory. noun
    The lawyer's argumentation was persuasive enough to convince the jury.
    Effective argumentation requires a clear understanding of the topic and the audience.
  2. A discussion in which reasons are advanced for and against some proposition or proposal. noun
    The debate club focused on argumentation to prepare for the upcoming competition.
    Her argumentation was well-structured, addressing both sides of the issue.