There are several ways to say "wage war" and intensify the meaning of this phrase. Some synonyms include "launch an attack," "engage in battle," "enter into conflict," "go to war," and "commence hostilities." Each of these phrases describes the act of starting a fight or conflict and implies aggression and hostility. Other phrases that can be used to convey a similar meaning include "declare war," "initiate combat," "begin an armed conflict," and "start a war." Regardless of the phrasing used, all of these terms indicate a willingness to engage in a physical or verbal confrontation and highlights the destructive nature of war.