nonviolent (adj.)

• bland
• civilian
• conciliatory
• dovish
• gentle
• irenic
• judicious
• mild
• moderate
• nonaggressive
• noncombatant
• pacific
• pacifist
• pacifistic
• peace-loving
• peaceable
• peaceful
• prudent
• sober
• soft
• tame
• temperate
• unmilitary