certification

/ˌsɜr·t̬ə·fɪˈke·ʃən/ n [C/U]

Definition

› proof or a document proving that someone is qualified for a particular job, or that something is of good quality: [C] Adult workers are increasingly going back to school for a degree or certification to improve their job opportunities. [U] He will seek organic certification of his beef and poultry products.

(Definition of certification n from the Cambridge Academic Content Dictionary © Cambridge University Press)