verabschieden

Verb

 * 1)  to say goodbye (to); to take leave (of)
 * 2)  to say goodbye to (someone); to take leave of (someone)
 * 3)  to see off; to dismiss
 * 4)  to adopt; to pass (a law, resolution, etc.)

Usage notes

 * Both reflexive and transitive uses are possible when the subject is the host who stays behind. Only reflexive use is possible referring to those leaving.