If you expedite something, you cause it to be done more quickly. We tried to help you expedite your plans. = speed up. to make a process or action happen more quickly = speed up (past participle of expedire , from pes )
Used by ATC when prompt compliance is required to avoid the development of an imminent situation Expedite climb/descent normally indicates to a pilot that the approximate best rate of climb/descent should be used without requiring an exceptional change in aircraft handling characteristics
To raise the priority level on a production or purchase order due to a past due condition or a change in the requirement date that necessitates compressing the normal lead time
A formal process of diverging from normal processing procedures to accelerate the handling of a high-priority request (usually at a higher cost to the requester)