ARGUMENTATIVELY
disputatiously, argumentatively
(adverb) in a disputatious manner
Source: WordNet® 3.1
Etymology
Adverb
argumentatively (comparative more argumentatively, superlative most argumentatively)
In an argumentative manner.
Source: Wiktionary
ARGUMENTATIVE
Ar`gu*men"ta*tive, a.
1. Consisting of, or characterized by, argument; containing a process
of reasoning; as, an argumentative discourse.
2. Adductive as proof; indicative; as, the adaptation of things to
their uses is argumentative of infinite wisdom in the Creator. [Obs.]
3. Given to argument; characterized by argument; disputatious; as, an
argumentative writer. --Ar`gu*men"ta*tive*ly, adv.
– Ar`gu*men"ta*tive*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition