sat·is·fac·tion n
1 a: the act or fact of satisfying
b: execution of an accord by performance of the substituted obligation
— often used in the phrase accord and satisfaction compare accord 3, transaction 3
c: a document indicating that an obligation has been satisfied
a satisfaction of mortgage
2: the quality or state of being satisfied
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.