What is another word for making valid?
Pronunciation: [mˌe͡ɪkɪŋ vˈalɪd] (IPA) 
Making valid refers to the process of verifying or confirming the accuracy, truthfulness, or appropriateness of something. There are several synonyms that can be used to convey the same meaning as making valid. Some of the most common synonyms include validating, legitimizing, substantiating, confirming, authenticating, verifying, sanctioning, endorsing, and certifying. These terms all imply the act of confirming the authenticity or truthfulness of something to ensure that it is valid and acceptable. Whether you're validating a theory, substantiating a claim, or certifying a document, these synonyms offer a variety of ways to express the concept of making something valid.
