Acknowledgment

1. n. A declaration or avowal of one’s own act, to give it legal validity; as, the acknowledgment of a deed before a proper officer. Also, the certificate of the officer attesting such declaration.
2. n. The act of acknowledging; admission; avowal; owning; confession.
3. n. The act of owning or recognized in a particular character or relationship; recognition as regards the existence, authority, truth, or genuineness.
4. n. The owning of a benefit received; courteous recognition; expression of thanks.
5. n. Something given or done in return for a favor, message, etc.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.