Origin: Latin suffix -ory
Valedictory has 5 different meanings across 2 categories:
a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)
An address given on an occasion of bidding farewell or parting company.
of or relating to an occasion or expression of farewell
"a valedictory address"
"valedictory praise for his uniformly manly course"
"a suitable valedictory gesture"
Of or pertaining to a valediction (“an act of parting company; a speech made when parting company”); designed for or suitable to an occasion of bidding farewell or parting company.