to cause faster or greater activity, development, progress, advancement, etc., in

to accelerate economic growth.

to hasten the occurrence of

to accelerate the fall of a government.

Mechanics . to change the velocity of (a body) or the rate of (motion); cause to undergo acceleration.

to reduce the time required for (a course of study) by intensifying the work, eliminating detail, etc.

to move or go faster; increase in speed.

to progress or develop faster.