WordWeb Online

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

Derived forms: endorsements

Type of: agreement, approval, commendation, packaging, promo [informal], promotion, promotional material, publicity, signature, support

Encyclopedia: Endorsement