IPA: /kəˌrɒbəˈreɪʃən/
KK: /kəˌrɑːbəˈreɪʃən/
The act of confirming or supporting something with additional evidence or information.
The witness provided corroboration for the defendant's alibi during the trial.
Corroboration is formed from "cor-" (meaning together) and "roborare" (meaning to strengthen). The word refers to the act of strengthening or confirming something by providing additional evidence or support.
Think of 'together' ('cor-') making something 'stronger' ('roborare') — that's why corroboration means to strengthen a claim with evidence.