valedictory address(n = noun.communication) valediction, valedictory, valedictory oration - a farewell oration (especially one delivered during graduation exercises by an outstanding member of a graduating class);
is a kind of oratory

address, address book, business address, computer address, form of address, gettysburg address, inaugural address, keynote address, mailing address, name and address, nominating address, public address system, return address, salutatory address, street address, valedictory, valedictory oration, valedictory speaker