endorsement

Noun

• the act of endorsing
  • a star athlete can make a lot of money from endorsements
    

• a signature that validates something
  • the cashier would not cash the check without an endorsement
    

• formal and explicit approval
  • a Democrat usually gets the union's endorsement
    

• a speech seconding a motion
  • do I hear a second?
    

• a promotional statement (as found on the dust jackets of books)
  • the author got all his friends to write blurbs for his book
    

Related words

• Synonyms: 
  indorsement , sanction , countenance , warrant , imprimatur , second , secondment , blurb