argumentation
noun
[ ˌɑːɡjʊmɛnˈteɪʃ(ə)n ]
• the action or process of reasoning systematically in support of an idea, action, or theory.
• "lines of argumentation used to support his thesis"
Origin:
late Middle English: via Old French from Latin argumentatio(n- ), from argumentat- ‘conducted as an argument’, from argumentari .
