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

Viewers have long been accustomed to seeing King and others such as Fox News’ Bill Hemmer and NBC News’ Steve Kornacki manipulate colorful screens on set and rattle off stats and data. — Brian Steinberg, Variety, 2 Nov. 2026

The factory, which works with legacy brands and household names, is accustomed to rigorous auditing, however, having recently undergone an audit with Ralph Lauren, an official LA28 partner for the 2028 Summer Olympics. — Kate Nishimura, Footwear News, 29 Oct. 2026

This may be the most dangerous stage for a woman accustomed to being the household CEO. — Emily Cegielski, Flow Space, 26 Oct. 2026

His friends, most of them mountain people accustomed to untimely death, rallied around him. — Nick Paumgarten, New Yorker, 26 Oct. 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