What is another word for attests to?
Pronunciation: [ɐtˈɛsts tuː] (IPA) 
The phrase "attests to" is commonly used to describe something that serves as evidence or proof of a certain fact or assertion. However, utilizing different synonyms for this phrase can help to vary one's writing style and add more nuance to it. Some alternate expressions that could be used instead include "demonstrates," "confirms," "verifies," "proves," "substantiates," "asserts," "affirms," "establishes," "validates," "witnesses," "testifies," "shows," "evidences," and "corroborates." By utilizing these different phrasings creatively, writers can help to make their points more effectively and engage readers more effectively.
