Definitions:

1. A farewell or parting address. NOUN
   • The valedictory speech at the graduation ceremony celebrated the achievements of the graduating class.
2. A farewell speech, especially one delivered by a valedictorian at a graduation ceremony. NOUN
   • His valedictory was filled with gratitude and humor.
3. Of a speech expressing leave-taking. ADJECTIVE
   • The valedictory address delivered by the top-ranked graduate left the audience inspired and humbled.
4. Relating to a farewell, especially a formal speech or statement at the end of a school year, career, or event. ADJECTIVE
   • One of the graduating students gave a valedictory address.
   • She gave a heartfelt valedictory address to her classmates.

Synonyms:

• Farewell
• farewell speech
• final
• parting
• parting words
• send-off