indorsement

1. the act of endorsing

    e.g. a star athlete can make a lot of money from endorsements

    Synonym: endorsement

2. a signature that validates something

    e.g. the cashier would not cash the check without an endorsement

    Synonym: endorsement

3. formal and explicit approval

    e.g. a Democrat usually gets the union's endorsement

    Synonym: sanction countenance endorsement warrant imprimatur

4. a speech seconding a motion

    e.g. do I hear a second?

    Synonym: second secondment endorsement

5. a promotional statement (as found on the dust jackets of books)

    e.g. the author got all his friends to write blurbs for his book

    Synonym: endorsement blurb