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

• 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 filing included details of the living standards the pair were accustomed to. —Alli Rosenbloom, CNN Money, 15 Oct. 2025

The partnership could also serve OpenAI by introducing ChatGPT to a massive set of consumers who may not be as accustomed to using AI chats in their shopping as OpenAI’s core user base is. —Christina Wilkie, NBC news, 14 Oct. 2025

Artists accustomed to juggling a portfolio of business accounts might not love the idea of adding new direct-to-fan channels to their rotation — more accounts to manage daily or weekly. —Matt Grobar, Deadline, 13 Oct. 2025

During a typical week, Detroiter Mario Hall is accustomed to serving hundreds of customers at Hallstarz Business Center, a 40-year-old family business in the heart of the Bagley Community. —Scott Talley, Freep.com, 12 Oct. 2025

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