accredited

adjective
1
officially recognized as something; with official permission to be something
معتبر, رسمی, دارای مجوز, به رسمیت شناخته شده, تایید شده
2
officially approved as being of an accepted quality or standard
تأیید شده, معتبر, به رسمیت شناخته‌شده, تاییدشده از سوی مراجع
a fully accredited school/university/course
The former business school is now a fully accredited British university.