seal of approval
a statement or sign that someone in an important position approves of something:
The mayor has given the proposal her seal of approval.
Thesaurus: synonyms and related words
Approving & approval
- approbation
- approval
- approving
- blessing
- countenance
- nice
- nice one! idiom
- royal assent
- rubber stamp
- seal
- thumb
- thumbs up idiom
- vote of confidence