pass off

1.  Misrepresent something or someone, as in They tried to pass off that piece of glass as a gemstone, or Bill passed her off as his sister. [Late 1700s] Also see palm off.
2.  Be completed or carried out, take place, as in The meeting passed off without incident. [Late 1700s]

Definition: give because one doesn't want it
Antonyms: keep, maintain

The verb has 6 meanings:

Meaning #1: be accepted as something or somebody in a false character or identity

Meaning #2: disregard

Meaning #3: cause to be circulated and accepted in a false character or identity

Meaning #4: disappear gradually; as of emotions, for example
  Synonyms: evanesce, fade, blow over, fleet, pass

Meaning #5: come to pass
  Synonyms: happen, hap, go on, occur, pass, come about, take place

Meaning #6: expel, as of gases and odors
  Synonyms: emit, breathe