indorsement

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

blurb endorsement secondment second imprimatur sanction countenance warrant