responsible

Liable to be required to give account, as of one’s actions or of the discharge of a duty or trust.

Required to render account; answerable.

Involving important duties, the supervision of others, or the ability to make decisions with little supervision.

Being a source or cause.

Able to make moral or rational decisions on one’s own and therefore answerable for one’s behavior.

Able to be trusted or depended upon; trustworthy or reliable.

Based on or characterized by good judgment or sound thinking.

Correspondent; answering; responsive.