v. 25B6; verb
the car accelerated down the hill : SPEED UP, go faster, gain momentum, increase speed, pick up speed, gather speed, put on a spurt.
inflation started to accelerate : INCREASE, rise, go up, leap up, surge, escalate, spiral.
the university accelerated the planning process : HASTEN, expedite, precipitate, speed up, quicken, make faster, step up, advance, further, forward, promote, give a boost to, stimulate, spur on; informal crank up.
decelerate, delay.