VALEDICTION
valediction
(noun) the act of saying farewell
valediction, valedictory address, valedictory oration, valedictory
(noun) a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)
Source: WordNet® 3.1
Etymology
Noun
valediction (plural valedictions)
A speech made when leaving or parting company.
The act of parting company.
A word or phrase (such as adieu or farewell) said upon leaving.
A word or phrase used to end a letter or message.
Hyponyms
• (phrase ending message): sincerely
Source: Wiktionary
Val`e*dic"tion, n. Etym: [L., valedicere, valedictum, to say
farewell; vale farewell (imperative of valere to be strong or well) +
dicere to say. See Valiant, Diction.]
Definition: A farewell; a bidding farewell. Donne.
Source: Webster’s Unabridged Dictionary 1913 Edition