-To confirm; to back up with evidence.
Synonyms and Antonyms
Synonyms: confirm, verify, authenticate
Antonyms: disprove, disclaim, invalidate
-The scar on Harry Potter's forehead was enough to corroborate Voldemort trying to kill Harry.
-Getting my acceptance letter from Hogwarts was enough to corroborate that I was a wizard.
Shelling Ukrainian Troops from Russia: British journalists provide evidence of cross-border attacks