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

The decision to close businesses early has also changed to the lifestyle for Egyptians accustomed to being able to buy virtually anything at any time, especially in big cities like Cairo and Alexandria. —ABC News, 29 Mar. 2026

Her senior season, 2020-21, was cancelled due to the COVID-19 pandemic, and though her high school team picked up exhibition games here and there to keep players active, Fudd went two full years without competing at the level to which she was accustomed. —Emily Adams, Hartford Courant, 27 Mar. 2026

And Kansas City, so far, hasn’t looked much like the team to which fans had grown accustomed the past two years. —Daniel Sperry, Kansas City Star, 27 Mar. 2026

Qatar is accustomed to instability in its backyard disrupting delicate supply chains and eating into its bottom line. —Shane Harris, The Atlantic, 26 Mar. 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