Valediction (noun)

1. A speech or statement made to bid farewell.
2. An act of saying goodbye.

Origin:

Late middle english: from old french, or from latin valedictio, from valedicere "bid farewell", from valere "be well" + dicere "say".

Examples:

1. The valediction was emotional, as the graduating students bid farewell to their teachers and classmates.
2. His valediction was brief but heartfelt, expressing gratitude for the time they had spent together.
3. The valediction was punctuated by tears, hugs, and promises to stay in touch.
4. The valediction was a mix of sadness and excitement, as the students looked forward to their future endeavors.
5. The valediction marked the end of an era, and the beginning of a new chapter in their lives.