attest
🇺🇸
/əˈtest/
🇬🇧
/əˈtest/
to provide evidence or proof for something
The old documents attesting the existence of the ancient city were discovered in the museum.
在博物馆中发现了证明这座古城存在的古老文件。
to confirm or assert something as true
The lawyer attested that the witness was telling the truth.
律师证实证人在说真话。