corroborate
General verb
To confirm or give support to a statement, theory or finding with additional evidence.
The survey data corroborate the hypothesis advanced in the opening chapter.
Medicine verb
To confirm or support an account with additional evidence, such as a relative's version of events.
I asked a relative to corroborate the history of the collapse.
Law verb
To support a statement or account with further evidence.
A second witness corroborated her version of events.
Business verb
To confirm a finding by obtaining independent, supporting evidence.
Bank confirmations were sought to corroborate the cash balances reported by management.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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