Fully supported by evidence or documentation.

प्रमाणित

English Usage: The historical event is well-attested by multiple sources.

Hindi Usage: ऐतिहासिक घटना कई स्रोतों द्वारा प्रमाणित है।

Evidence or proof that confirms something.

प्रमाण

English Usage: The well-attested fact shocked everyone.

Hindi Usage: प्रमाणित तथ्य ने सभी को चौंका दिया।

To provide evidence or proof of something.

प्रमाणित करना

English Usage: The witnesses can well-attest to the events of that day.

Hindi Usage: गवाह उस दिन की घटनाओं को प्रमाणित कर सकते हैं।