corroborate
verb /kəˈrɒbəreɪt/
  /kəˈrɑːbəreɪt/
 [transitive, intransitive, often passive] (formal)Verb Forms
| present simple I / you / we / they corroborate |    /kəˈrɒbəreɪt/   /kəˈrɑːbəreɪt/  | 
| he / she / it corroborates |    /kəˈrɒbəreɪts/   /kəˈrɑːbəreɪts/  | 
| past simple corroborated |    /kəˈrɒbəreɪtɪd/   /kəˈrɑːbəreɪtɪd/  | 
| past participle corroborated |    /kəˈrɒbəreɪtɪd/   /kəˈrɑːbəreɪtɪd/  | 
| -ing form corroborating |    /kəˈrɒbəreɪtɪŋ/   /kəˈrɑːbəreɪtɪŋ/  | 
- corroborate (something) to provide evidence or information that supports a statement, theory, etc. synonym confirm
- The evidence was corroborated by two independent witnesses.
 - corroborating evidence
 
Oxford Collocations DictionaryCorroborate is used with these nouns as the object:- finding
 - report
 - testimony
 - …