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 .
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.
Contemporary Examples

The moves and countermoves appear set to continue, if not accelerate.
Can Thailand’s Prime Minister Cling To Power? Lennox Samuels February 18, 2014

If the treasury lets you accelerate the depreciation of your jet, they’ll collect less tax revenue now, but more in year six.
“Tax Breaks for Corporate Jets”: The Non-Issue at the Heart of the Presidential Agenda Megan McArdle April 9, 2013

“accelerate this process,” said Royce, adding that the Free Syrian Army is the antidote to the ongoing expansion of ISIS in Syria.
After Steven Sotloff Murder, Congress Demands a Vote on Obama’s ISIS War Josh Rogin September 1, 2014

“Hamas-Fatah reconciliation will accelerate conflict,” claimed Rubin, to no dissent from the other witnesses or the lawmakers.
A One-Sided House Hearing Against Palestinian Reconciliation Zaid Jilani February 4, 2013

All these frightful trends are already emerging—and they will accelerate every day that the diplomatic wrangling continues.
Shaming Russia for Arming Assad Won’t Help End Syria’s Civil War Tamara Cofman Wittes June 12, 2012

Historical Examples

He would be irritated too, and that might accelerate the action of the disease from which he suffers.
The Gateless Barrier Lucas Malet

The narrowness serves to concentrate the strength and accelerate the work.
Mountain Meditations L. Lind-af-Hageby

In whatever direction we move, the rate of progress tends to accelerate itself.
Expositions of Holy Scripture Alexander Maclaren

And he was stamping off to accelerate these preparations for departure, when her voice arrested him.
Captain Blood Rafael Sabatini

Any attempt of the Chinese or Japanese rulers to check it, will only accelerate an armed collision.
The Fifteen Decisive Battles of The World From Marathon to Waterloo Edward Creasy

to go, occur, or cause to go or occur more quickly; speed up
(transitive) to cause to happen sooner than expected
(transitive) to increase the velocity of (a body, reaction, etc); cause acceleration

1520s, from Latin acceleratus, past participle of accelerare “to hasten, to quicken,” from ad- “to” (see ad-) + celerare “hasten,” from celer “swift” (see celerity). Related: Accelerated; accelerating.


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