\Val`e*dic"to*ry\, a.
Bidding farewell; suitable or designed for an occasion of
leave-taking; as, a valedictory oration.

\Val`e*dic"to*ry\, n.; pl. {Valedictories}.
A valedictory oration or address spoken at commencement in
American colleges or seminaries by one of the graduating
class, usually by the leading scholar.