/val'i dik"teuh ree/ , adj., n., pl. valedictories .
adj.
1. bidding good-bye; saying farewell: a valedictory speech.
2. of or pertaining to an occasion of leave-taking: a valedictory ceremony.
n.
3. an address or oration delivered at the commencement exercises of a college or school on behalf of the graduating class.
4. any farewell address or oration.
[ 1645-55; valedict ( us ) (see VALEDICTION) + -ORY 1 ]