wage war (?.)

• battle
• box
• brawl
• broil
• carry on hostilities
• clash
• close
• collide
• combat
• come to blows
• contend
• contest
• cut and thrust
• duel
• engage in hostilities
• exchange blows
• fence
• feud
• fight
• fight a duel
• give and take
• give satisfaction
• grapple
• grapple with
• jostle
• joust
• make war
• mix it up
• quarrel
• rassle
• riot
• run a tilt
• scramble
• scuffle
• shed blood
• skirmish
• spar
• spill blood
• strive
• struggle
• thrust and parry
• tilt
• tourney
• tussle
• war
• wrestle