endorsement in WordNet English dictionary

1. a promotional statement (as found on the dust jackets of books)
   "the author got all his friends to write blurbs for his book"
   endorsement  indorsement  blurb 
   
2. formal and explicit approval
   "a Democrat usually gets the union's endorsement"
   sanction  countenance  endorsement  indorsement  warrant  imprimatur 
   
3. the act of endorsing
   "a star athlete can make a lot of money from endorsements"
   endorsement  indorsement 
   
4. a speech seconding a motion
   "do I hear a second?"
   second  secondment  endorsement  indorsement 
   
5. a signature that validates something
   "the cashier would not cash the check without an endorsement"
   endorsement  indorsement