A valediction is an expression used to say farewell (goodbye), especially at the end of a letter. (Other meanings not discussed in this article include the act of saying goodbye and a speech made at such an occasion.) The word comes from the Latin valedicere, meaning "to say goodbye".(External Link) The word valediction is often used loosely in English to refer to a complimentary closing, which is a courteous formula used to end a letter. This is normally a formulaic phrase preceding the writer… (More on Valediction)