responsible
re-spon-si-ble
adjective
Trustworthy and reliable, showing good judgement and accountability.
"She is a very responsible young woman."
adjective
Having a duty or obligation to deal with something or someone.
"You are responsible for your own actions."
Thesaurus
Synonyms: accountable, answerable, liable, amenable, trustworthy, creditworthy, trusty, responsible for, causative
Antonyms: irresponsible