v. （出具）证明; 给…颁发结业证书
If someone in an official position certifies something, they officially state that it is true.
...if the president certified that the project would receive at least $650m from overseas sources...
The National Election Council is supposed to certify the results of the election...
If someone is certified as a particular kind of worker, they are given a certificate stating that they have successfully completed a course of training in their profession.
They wanted to get certified as divers.
...a certified accountant...
1. provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes;
2. guarantee payment on; of checks
3. authorize officially;
4. guarantee as meeting a certain standard;
5. declare legally insane
prove, certify, demonstrate, establish, testify
The National Election Council is supposed to certify the results.
I have carefully reviewed the above information and certify that are correct and complete.
I can certify to his good character.
He had to certify that restoration was both practicable and in the public interest.
I certify this as a true copy of his letter.