Pug*na"cious*ness

from The Collaborative International Dictionary of English v.0.48

Pugnacious \Pug*na"cious\, a. [L. pugnax, -acis, fr. pugnare to
   fight. Cf. {Pugilism}, {Fist}.]
   Disposed to fight; inclined to fighting; quarrelsome;
   fighting. --{Pug*na"cious*ly}, adv. -- {Pug*na"cious*ness},
   n.
   [1913 Webster]