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

Renaissance people weren’t conscious egalitarians, but they were accustomed to open contests and competitions, one of the hallmarks of modernity. —Adam Gopnik, New Yorker, 28 July 2025

Mama Bear taps into a market of parents accustomed to this vigilance who realize their access changes when their kids turn 18 and are subject to medical- and student-privacy laws. —Elizabeth Hernandez, Denver Post, 27 July 2025

Along with its sharp rhymes, the album was praised for its extensive and holistic media rollout, which appeased blog-era rap fans accustomed to the rollouts of the aughts, which often included a great deal of press. —Andre Gee, Rolling Stone, 27 July 2025

This consensus may reflect groupthink among tech elites accustomed to deference. —Arafat Kabir, Forbes.com, 23 July 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