indorsement (Noun) — A promotional statement (as found on the dust jackets of books). ex. "the author got all his friends to write indorsements for his book"
indorsement (Noun) — A speech seconding a motion.
indorsement (Noun) — Formal and explicit approval. ex. "a Democrat usually gets the union's indorsement"
indorsement (Noun) — A signature that validates something. ex. "the cashier would not cash the check without an indorsement"
indorsement (Noun) — The act of endorsing. ex. "a star athlete can make a lot of money from indorsements"