What is another word for give stamp of approval?
Pronunciation: [ɡˈɪv stˈamp ɒv ɐpɹˈuːvə͡l] (IPA) 
The phrase "give stamp of approval" is often used to express endorsement or approval of someone or something, but there are a variety of synonyms that can convey similar meanings. These include "give the green light," "give the go-ahead," "give approval," "sanction," "authorize," "accredit," "attest to," "certify," "validate," "vouch for," and "endorse." Each of these phrases conveys the idea that someone or something has been deemed worthy of support or approval by an authority or expert, and can be used in a variety of contexts, from business to politics to personal relationships.
