from
The Collaborative International Dictionary of English v.0.48
Argumentative \Ar`gu*men"ta*tive\, a.
1. Consisting of, or characterized by, argument; containing a
process of reasoning; as, an argumentative discourse.
[1913 Webster]
2. Adductive as proof; indicative; as, the adaptation of
things to their uses is argumentative of infinite wisdom
in the Creator. [Obs.]
[1913 Webster]
3. Given to argument; characterized by argument;
disputatious; as, an argumentative writer.
[1913 Webster] --{Ar`gu*men"ta*tive*ly}, adv. --
{Ar`gu*men"ta*tive*ness}, n.
[1913 Webster]