To present evidence in support of
To assure the certainty or validity of
To establish as true or genuine
He was able to corroborate the findings.
Can you corroborate the evidence in the portfolio?
The details corroborate this conclusion.
The finding of worked iron in the Great Pyramids seems to corroborate this view.
The xerophytic structures found in some of the plants might seem to corroborate this view; but similar structures are assumed by many plants when dwelling in brackish marshes and morasses.