indorsement

noun

1.
a promotional statement (as found on the dust jackets of books)
blurb endorsement
Derived from:
indorse
2.
a speech seconding a motion
endorsement second secondment
Derived from:
indorse
3.
4.
a signature that validates something
endorsement
Derived from:
indorse
5.
the act of endorsing
endorsement
Derived from:
indorse