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

Many rookie wide receivers come into the league accustomed to being prolific from a statistical standpoint as a top playmaker on their college offense. — David Furones, Sun Sentinel, 11 Nov. 2026

That’s a high number for November, but a relief for anyone accustomed to the sharp competition and 90%-plus occupancy rates of summertime. — Los Angeles Times, 11 Nov. 2026

Harley-Davidson The Sprint 440 has a rather big set of boots to fill, even if its engine is considerably smaller than the Milwaukee faithful might be accustomed to. — New Atlas, 9 Nov. 2026

Anthis said someone from a large family may be accustomed to constant activity, noise and company, while an only child may need time on their own to recharge. — Daniella Gray, MSNBC Newsweek, 7 Nov. 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