1. (v. t.) To invest with credit or authority; to sanction; as to accredit a school.

2. (v. t.) To send with letters credential, as an ambassador, envoy, or diplomatic agent; to authorize, as a messenger or delegate.

3. (v. t.) To believe; to credit; to put trust in.

4. (v. t.) To credit; to vouch for or consider (some one) as doing something, or (something) as belonging to some one.