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

At the same time, suppliers accustomed to competing on volume rather than value are feeling the squeeze. —Angela Velasquez, Sourcing Journal, 13 Nov. 2025

As the days grow shorter and darkness comes on quicker, the NFL season continues with a pivotal Week 10 delivering the same madness to which fans are accustomed. —Jacob Lev, CNN Money, 10 Nov. 2025

Earle-Sears’s blowout even stunned veteran operatives accustomed to Virginia’s blue tilt. —Samantha-Jo Roth, The Washington Examiner, 6 Nov. 2025

Venezuelans got accustomed to dismissing it all as noise, just a pretext the dictatorship employed to stamp out civil rights. —Quico Toro, The Atlantic, 4 Nov. 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