farewell

American Heritage® Dictionary of the English Language, Fourth Edition

1. interj. Used to express goodbye.
2. n. An acknowledgment at parting; a goodbye.
3. n. The act of departing or taking leave.

Century Dictionary and Cyclopedia

1. ‘Fare well’; may you be or continue in a happy or prosperous condition; in common use, good-by. It expresses a kind wish, a wish of happiness, and while it does not, in its origin, necessarily refer to departure, it is now used, like good-by, its more colloquial equivalent, exclusively in leave-taking. It is sometimes used in reference to inanimate objects, in slight personification. It emphasizes the fact of separation or relinquishment.
2. [It is still often written separately, with a pronoun between, the pronoun being either the subject nominative, as in “fare you well” or “fare ye well,” or a dative of reference, as in “fare thee well.”
3. Synonyms Good-by, etc. See adieu, interj.
4. n. A good-by; a leave-taking; an adieu.
5. n. Farewell followed by to governing the object is a noun, used elliptically for “I bid farewell (to …).”
6. n. Leave; departure; final look, thought, or attention.
7. Parting; valedictory: as, a farewell sermon; farewell appearance of an actor.
8. To bid farewell to; take leave of.

Wiktionary

1. n. A wish of happiness or welfare at parting, especially a permanent departure; the parting compliment; a goodbye; adieu.
2. n. An act of departure; leave-taking; a last look at, or reference to something.
3. adj. parting; valedictory; final;
4. interj. goodbye
5. v. To bid farewell or say goodbye

GNU Webster's 1913

1. interj. Go well; good-by; adieu; -- originally applied to a person departing, but by custom now applied both to those who depart and those who remain. It is often separated by the pronoun; ; and is sometimes used as an expression of separation only
2. n. A wish of happiness or welfare at parting; the parting compliment; a good-by; adieu.
3. n. Act of departure; leave-taking; a last look at, or reference to something.
4. adj. Parting; valedictory; final.

WordNet 3.0

1. n. the act of departing politely
2. n. an acknowledgment or expression of goodwill at parting