ex·cul·pa·to·ry /ɛkˈskʌlpəˌtori, ˌtɔr-/ (a.)辯解的,辯明無罪的
Ex·cul·pa·to·ry Clearing, or tending to clear, from alleged fault or guilt; excusing. “An exculpatory letter.” ◄ ►
exculpatory adj : clearing of guilt or blame [ant: inculpatory]