What is Expedite?
1.
(v) to make things quicker; to facilitate.
This is a word that many flight attendants use to make themselves sound as if they have actually graduated from high school. They seem to think it is especially effective if it is combined with other words used only by people who are trying to sound smart.
Sir, if you would please help expedite the boarding process by placing your bag into the overhead compartment and taking your seat.
See