accreditation
noun
[ əkrɛdɪˈteɪʃ(ə)n ]
• the action or process of officially recognizing someone as having a particular status or being qualified to perform a particular activity.
• "the accreditation of professionals"
• an acknowledgement of a person's responsibility for or achievement of something.
• "both parties create authorship, and to make this clear I have always used joint accreditations"