/ əˈkredɪt; NAmE / verb [ vn ]
1.
[ usually passive ] accredit sth to sb | accredit sb with sth ( formal ) to believe that sb is responsible for doing or saying sth :
The discovery of distillation is usually accredited to the Arabs of the 11th century.
The Arabs are usually accredited with the discovery of distillation.
2.
[ usually passive ] accredit sb to ... ( technical ) to choose sb for an official position, especially as an ambassador :
He was accredited to Madrid.
3.
to officially approve sth/sb as being of an accepted quality or standard :
Institutions that do not meet the standards will not be accredited for teacher training.
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WORD ORIGIN
early 17th cent. (in sense 3): from French accréditer , from a- (from Latin ad to, at) + crédit credit.