1.To put or bring into credit; to invest with credit or authority; to sanction. "His censure will... accredit his praises." "These reasons... which accredit and fortify mine opinion."
2.To send with letters credential, as an ambassador, envoy, or diplomatic agent; to authorize, as a messenger or delegate. "Beton... was accredited to the Court of France."
3.To believe; to credit; to put trust in. "The version of early Roman history which was accredited in the fifth century." "He accredited and repeated stories of apparitions and witchcraft."
4.To credit; to vouch for or consider (some one) as doing something, or (something) as belonging to some one. To accredit (one) with (something), to attribute something to him; as, Mr. Clay was accredited with these views; they accredit him with a wise saying.