To confirm or support a statement or theory with additional evidence.
“Independent studies corroborate the researcher's claim that the new method is safer.”
“Witness statements corroborated the resident's account of the incident.”
This word signals that one piece of evidence backs up another, strengthening a viewpoint in Reading Part 4. Look for it near expert opinions or study results, since it often indicates the strongest, most reliable support for a particular side's argument.
Synonyms: confirm, support, verify