D defs.my
Entry 3 senses Webster, 1913

Argumentative

/ärˌ-gyəm-ĕn'-tət-ĭv/ · Ar·gu·men·ta·tive · IPA /ˌɑɹɡjəˈmɛn(t)ətɪv/
01 a. Consisting of, or characterized by, argument; containing a process of reasoning; as, an argumentative discourse.
  1. 1.
    Consisting of, or characterized by, argument; containing a process of reasoning; as, an argumentative discourse.
  2. 2.
    Adductive as proof; indicative; as, the adaptation of things to their uses is argumentative of infinite wisdom in the Creator.[Obs.]
  3. 3.
    Given to argument; characterized by argument; disputatious; as, an argumentative writer.