Serving to support or confirm a statement or fact.
Late 16th century: from latin corroborat- "strengthened", from the verb corroborare, from cor- "together" + robur "strength".
- The witness's testimony provided corroborative evidence for the prosecution.
- The report was corroborative of the findings of the previous study.
- The new evidence was corroborative of the defendant's alibi.
- The study provided corroborative evidence for the effectiveness of the treatment.
- The new information was corroborative of the theory, supporting the hypothesis.