# accelerate
## English
### Etymology

First attested in the 1520s. Either from Latin accelerātus, perfect passive participle of accelerō (“to accelerate, hasten”) (see -ate (verb-forming suffix) and -ate (adjective-forming suffix)), formed from ad + celerō (“to hasten”), which is from celer (“quick”) (see celerity), or back-formation from acceleration.

### Pronunciation

* (Received Pronunciation) IPA: /əkˈsɛl.əˌɹeɪt/, /ækˈsɛl.əˌɹeɪt/, /ɪkˈsɛl.əˌɹeɪt/
* Audio (US):(file)

### Verb

accelerate (third-person singular simple present accelerates, present participle accelerating, simple past and past participle accelerated)
* (transitive) To cause to move faster; to quicken the motion of; to add to the speed of.
* (transitive) To quicken the natural or ordinary progression or process of.
    to accelerate the growth of a plant, the increase of wealth, etc.
** 2013 September-October, Michael Sivak, “Will AC Put a Chill on the Global Energy Supply?”, in American Scientist:Nevertheless, it is clear that the global energy demand for air-conditioning will grow substantially as nations become more affluent, with the consequences of climate change potentially accelerating the demand.
* (transitive, physics) To cause a change of velocity.
* (transitive) To hasten, as the occurrence of an event.
    to accelerate our departure
* (transitive, education) To enable a student to finish a course of study in less than normal time.
* (intransitive) To become faster; to begin to move more quickly.
* (intransitive) Grow; increase.

#### Synonyms

* (to cause to move faster): hasten, quicken, speed up; see also Thesaurus:speed up
* (to quicken progress): expedite, further,
* (to hasten the occurrence of an event): advance, forward

#### Antonyms

* decelerate
* retard
* unaccelerate

#### Derived terms

* acceleratable
* accelerated ageing
* accelerated aging
* accelerated critical illness
* accelerated depreciation
* accelerated erosion
* accelerated graphics port
* accelerated motion
* accelerating force
* acceleratingly
* accelerating universe
* accelerative
* accelerator
* deaccelerate
* nonaccelerating
* outaccelerate
* overaccelerate
* post-accelerate
* reaccelerate
* unaccelerating

#### Related terms

* accelerando
* accelerant
* acceleration
* accelerograph
* accelerometer

#### Translations

    The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

### Adjective

accelerate (not comparable)
* (archaic) Accelerated; quickened; hastened; hurried.
** 1662, Thomas Salusbury, Galileo's Dialogue Concerning the Two Chief World Systems, Dialogue 2:... a general knowledg of the definition of motion, and of the distinction of natural and violent, even and accelerate, and the like, sufficing.

### References

* ↑ Elliott K. Dobbie, C. William Dunmore, Robert K. Barnhart, et al. (editors), Chambers Dictionary of Etymology (Chambers Harrap Publishers Ltd, 2004 [1998], →ISBN), page 6
* John A. Simpson and Edmund S. C. Weiner, editors (1989), “accelerate”, in The Oxford English Dictionary, 2nd edition, Oxford: Clarendon Press, →ISBN.

## Italian
### Etymology 1
#### Adjective

accelerate f pl
* feminine plural of accelerato

#### Participle

accelerate f pl
* feminine plural of accelerato

### Etymology 2
#### Verb

accelerate
* inflection of accelerare:
** second-person plural present indicative
** second-person plural imperative

## Latin
### Verb

accelerāte
* second-person plural present active imperative of accelerō