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

Such a change would require aligning incentives with a substantially different economic goal from the one officials and institutions at all levels have been accustomed to pursuing over the last two decades. — Michael B. G. Froman, Foreign Affairs, 13 Aug. 2026

But developers accustomed to CUDA may need to rewrite and optimize substantial portions of their existing code before moving their training workloads to Ascend. — Neetika Walter, Interesting Engineering, 11 Aug. 2026

This offers reassurance to viewers accustomed to his voice during baseball's biggest moments. — Peter Chawaga, Forbes.com, 7 Aug. 2026

The 19-year-old from Jacksonville is accustomed to giving chase. — Edgar Thompson, The Orlando Sentinel, 7 Aug. 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