valediction Meaning, Definition & Usage

  1. noun a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)
    valedictory address; valedictory; valedictory oration.
  2. noun the act of saying farewell

WordNet

Val`e*dic"tion noun
Etymology
L., valedicere, valedictum, to say farewell; vale farewell (imperative of valere to be strong or well) + dicere to say. See Valiant, Diction.
Definitions
  1. A farewell; a bidding farewell. Donne.

Webster 1913