responsible
adjective
uk/rɪˈspɒnsəbl/ usused to describe something, for example, a job, where you are able to act and make decisions on your own:
It's a responsible job for which I've been well rewarded.
be responsible for sb/sth
to have control and authority over someone or something and the duty to take care of them:
He is responsible for the council's waste management department.
to make something happen, especially something bad:
She was responsible for causing the accident.
be responsible to sb/sth
to be controlled by someone or something:
Only our elected representatives, responsible to us, can make these big decisions.
hold sb/sth responsible
to blame someone or something for something bad that happened:
He was held responsible for the accident.
be responsible for your actions
to be able to be fairly blamed for bad things that you do or mistakes that you make:
Although he was ill at the time, he was still responsible for his actions.