1. 证实的：- disappointing 令人失望的 | - corroborative 证实的 | - disdain 轻视

2. 确定的：corroboration 确证 | corroborative 确定的 | corroborator 确证者

3. 进一步证实的：corroboration 确证 | corroborative 进一步证实的 | corroded grain 被腐蚀颗粒

4. 确证的：conduct操作 | corroborative确证的 | experiment实验

1. 提供支持的;证实的
Corroborative evidence or information supports an idea, account, or argument.

e.g. ...a written statement supported by other corroborative evidence.
由其他证据支持的书面陈述

adj

1. serving to support or corroborate

e.g. collateral evidence

Synonym: collateralconfirmativeconfirmingconfirmatorycorroboratorysubstantiatingsubstantiativevalidatingvalidatoryverificatoryverifying