Expeditious; quick; prompt.
Free of impediment; unimpeded.
To perform (a task) fast and efficiently.
To accelerate the progress of.
To perform the duties of an expediter.
Inciting; encouraging or moving; rousing to action; stimulating.
Serving to kindle or set on fire.
Something that motivates, rouses, or encourages.
A bonus or reward, often monetary, to work harder.