valedictory

A closing or farewell statement or address, especially one delivered at graduation exercises.

Of, relating to, or expressing a valedictory.

Bidding farewell; pertaining or relating to a leave-taking or bidding adieu; farewell: as, a valedictory speech.

pl. valedictories (-riz). A farewell oration or address (sometimes in Latin), spoken at graduation in American colleges and other institutions by one of the graduating class, usually by the one who has the highest rank. Compare valedictorian.

Bidding farewell; suitable or designed for an occasion of leave-taking.

A valedictory oration or address spoken at commencement in American colleges or seminaries by one of the graduating class, usually by the leading scholar.

Of, or pertaining to, a valedictorian.

A speech given by a valedictorian at a graduation or commencement ceremony.

A farewell or parting address.

a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class)