Diploma (noun)

1. A document certifying the successful completion of a course of study or training.
2. A certificate, typically indicating that someone has passed a test or examination.
3. A document awarded by a school, college, or university indicating that the recipient has completed a course of study.

Origin:

Mid 16th century (denoting a document conferring a degree or other academic qualification): from latin diploma, from greek diploma "licence, letter of dismissal", from diploun "fold in two", from diploos "double", from dis- "twice" + ploos "fold".

Examples:

1. He received his diploma from the university.
2. She has a diploma in business administration.
3. The diploma certifies that he has completed the course.
4. The diploma was awarded with honors.
5. The diploma is a valuable credential for job seekers.