Certification (noun)

The act of certifying or the state of being certified; official endorsement or confirmation of a fact or quality.

Origin:

From late latin certificatio, from certus "certain" + facere "to make".

Examples:

1. The certification of his qualifications allowed him to work as a teacher.
2. The new car model received a certification for its fuel efficiency.
3. The certification process was long and complicated, but worth it in the end.
4. Her certification in computer programming was highly regarded in the industry.
5. The certification of the diamond ensured its authenticity and value.