noun
legal competency; criminal responsibility; ability to fulfill responsibilities
Primarily a legal term referring to the mental capacity to be held accountable for one's actions. Also used more broadly for the ability to carry out duties.
裁判では、被告の責任能力が争点になった。
In the trial, the defendant's criminal responsibility became the point of contention.
この仕事には高い責任能力が求められる。
This job requires a high ability to fulfill one's responsibilities.