Testamur is a Latin term which means "we testify." It is a document issued to a person who has completed a particular course or degree to acknowledge their achievement. Synonyms for the word Testamur include certificate, diploma, credential, diploma certificate, and degree certificate. A certificate is a document issued for completing a shorter course of study or training. A diploma certificate is a document awarded for completing a particular course of study. A credential is a professional qualification or certification that certifies the holder's qualifications and abilities. A degree certificate is a document awarded for completing an academic degree program.