accustom

verb

ac·​cus·​tom ə-ˈkə-stəm 

accustomed; accustoming; accustoms

transitive verb

: to make familiar with something through use or experience

accustomation

ə-ˌkə-stə-ˈmā-shən 

noun

Synonyms of accustom

• introduce
• familiarize
• educate
• orient

Examples of accustom in a Sentence

the task of accustoming new recruits to shipboard life

Recent Examples on the Web

The mayor, though, disagreed, arguing that the parking is beneficial to businesses and drivers are accustomed to parking there. —Amanda Rosa, Miami Herald, 21 Jan. 2026

According to AccuWeather, the volume of snow and sleet could greatly impact communities not accustomed to winter weather, such as the southern Plains and Mississippi Valley, and schools or child care centers will likely close. —Josh Kelly, Oklahoman, 21 Jan. 2026

This was, after all, a man accustomed to jumping out of airplanes without parachutes, starring under the big top of Nitro Circus, and treating physics like a polite suggestion. —Greg Engle, Forbes.com, 20 Jan. 2026

Officials said the scale reflects how disruptive the shift could be for voters accustomed to countywide voting for the entire primary. —Tracey McManus, Dallas Morning News, 20 Jan. 2026

Word History

Etymology

Middle English acustomen "to habituate (reflexive or intransitive)," borrowed from Anglo-French acustumer, acostumer, from a-, prefix forming transitive verbs (going back to Latin ad- ad-) + -customer, costomer, verbal derivative of custume custom entry 1

First Known Use

15th century, in the meaning defined above

Phrases Containing accustom

• accustom oneself to

Rhymes for accustom

• custom
• frustum

Kids Definition

accustom

verb

ac·​cus·​tom ə-ˈkəs-təm 

: to make familiar