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

The most common answer is valedictory (11 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

valedictory 11 letters wn-def

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