pass off

verb

1. to be or cause to be accepted or circulated in a false character or identity

   he passed the fake diamonds off as real

2. intr to come to a gradual end; disappear

   eventually the pain passed off

3. to emit (a substance) as a gas or vapour, or (of a substance) to be emitted in this way
4. intr to take place

   the meeting passed off without disturbance

5. tr to set aside or disregard

   I managed to pass off his insult