AGGRESSING
Verb
aggressing
present participle of aggress
Source: Wiktionary
AGGRESS
Ag*gress", v. i. [imp. & p. p. Aggressed; p. pr. & vb. n.
Aggressing.] [L. aggressus, p. p. of aggredi to go to, approach; ad +
gradi to step, go, gradus step: cf. OF. aggresser. See Grade.]
Definition: To commit the first act of hostility or offense; to begin a
quarrel or controversy; to make an attack; -- with on.
Ag*gress", n. [L. aggressus.]
Definition: Aggression. [Obs.]
Their military aggresses on others.
Sir M. Hale.
Ag*gress", v. t.
Definition: To set upon; to attack. [R.]
Source: Webster’s Unabridged Dictionary 1913 Edition