Gives facelift is usually used to describe the process of refreshing or improving something. There are a number of synonyms that can be used for this term, depending on the context. For example, you can use "revamp" if you want to highlight the process of making changes with the intention of improving or updating a product or service. "Upgrade" is another synonym that can be used to signify making changes that improve something to a higher level. "Renovate" is another word that can be used to describe the process of giving a facelift. It is typically used in the context of construction, remodels, redesigns or improvements that breathe new life into a space or item.