What is another word for hereby certify that?
Pronunciation: [hˈi͡əba͡ɪ sˈɜːtɪfˌa͡ɪ ðˈat] (IPA) 
"Hereby certify that" is a phrase that is commonly used to confirm the truthfulness or correctness of a statement. However, to add variety and precision to written communication, it is essential to be familiar with synonyms for this phrase. Some possible alternatives include "confirm," "attest," "validate," "endorse," "warrant," "vouch for," "verify," "guarantee," "swear to," and "affirm." These terms can add credibility, legitimacy, and authority to a document or testimonial. Furthermore, depending on the context and purpose of the document, different synonyms may be more appropriate. Thus, it is crucial to choose the right synonym to convey the intended meaning accurately.
