pass off

verb

1. be accepted as something or somebody in a false character or identity"She passed off as a Russian agent"
2. disregard"She passed off the insult"
3. cause to be circulated and accepted in a false character or identity"She passed the glass off as diamonds"
4. disappear gradually"The pain eventually passed off"
5. come to pass"What is happening?"
6. expel (gases or odors)