verb
corroborate
kuh-RAH-buh-rayt/kəˈrɑːbəreɪt/
To confirm or support with additional evidence.
The witnesses' matching sketches corroborate each other's observations of the event.

Etymology
Latin roborare meant “to make strong,” with com- perhaps adding “thoroughly.” The meaning shifted from giving strength to giving a claim stronger support through confirming evidence.
In context
we have a bit of empirical evidence here to that the the mathematics do in fact corroborate the conceptual explanation we gave a second ago
More examples
- Two independent studies corroborate these findings.
- Her story was corroborated by several neighbors.
- We are still looking for records to corroborate his claim.
Forms
corroborate · corroborates · corroborated · corroborating
corroboration noun — Additional evidence that confirms or supports something.
corroborative adjective — Providing additional evidence that supports a claim.
Similar words
- confirm
- Establishes truth or accuracy, not necessarily through additional evidence.
- substantiate
- Supports a claim with concrete facts or detailed evidence.
- verify
- Checks whether something is true or accurate through investigation.