en ‧ dorse /ɪnˈdɔːs $ -ɔːrs/ BrE AmE verb [transitive]
[ Date: 1400-1500 ; Language: Old French ; Origin: endosser 'to put on the back' , from dos 'back' ]
1 . to express formal support or approval for someone or something
endorse a proposal/an idea/a candidate etc
The Prime Minister is unlikely to endorse this view.
2 . if a famous person endorses a product or service, they say in an advertisement that they use and like it
3 . to sign your name on the back of a cheque to show that it is correct
4 . [usually passive] British English if your ↑ driving licence is endorsed for a driving offence, an official record is made on it to show that you are guilty of the offence
—endorsement noun [uncountable and countable] :
celebrity endorsements
the official endorsement of his candidacy