a
certificate
a document serving as evidence or as written testimony, as of status, qualifications, privileges, or the truth of something.
2.
a document attesting to the fact that a person has completed an educational course, issued either by an institution not authorized to grant diplomas, or to a student not qualifying for a diploma.
certification
1.
the act of certifying.
2.
the state of being certified.
3.
a certified statement
.