peaceful, unresisting, inactive, resistless, nonviolent, supine, passive voice, active, unaggressive, reactive, more...

active, assertive, aggressive, dynamic, proactive

active, middle, reflexive, anticausative, causative, middle voice, anticausative voice, more...

perfect, impersonal, active, present, more, past, future, english, corresponding, indirect, divine

not aggressive,   non confrontational,   non aggressive,   not assertive,   without agency,   not fighting back,   not interactive,   not as aggressive,   not acted upon,   non interactive