valediction
[ val-i-dik-shuhn ]
an act of bidding farewell or taking leave
USE 1
During the graduation ceremony, the class valedictorian delivered a moving valediction that brought tears to many eyes in the audience.
USE 2
The retiring CEO’s valediction at the company meeting was filled with gratitude for the years of collaboration and encouragement for the future.
USE 3
His letter ended with a poignant valediction, expressing hope that they would meet again despite the long distances that would soon separate them.