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

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

Drivers accustomed to taking the freeway to zip north and south through the Treasure Valley will have to follow detours to Star and Linder roads. —Rose Evans november 4, Idaho Statesman, 4 Nov. 2025

When Cassellius, former superintendent of Boston Public Schools, took the helm at MPS in March, she had been accustomed to working closely with Boston’s mayor on major school infrastructure projects. —Rory Linnane, jsonline.com, 28 Oct. 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