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

As an Australian, six-time Olympian Mary Hanna is accustomed to traveling long distances with horses. — Danielle Rossingh, New York Times, 9 Sep. 2026

You may already be accustomed to changing channels frequently, since the NFL eagerly slices up its schedule across multiple networks. — Jason Cohen, PC Magazine, 8 Sep. 2026

Fischer brings experience overseeing finance at a large public company accustomed to making long-term infrastructure investments. — Sheryl Estrada, Fortune, 3 Sep. 2026

Graham used his influence widely and was accustomed to preaching in peculiar settings. — Literary Hub, 2 Sep. 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