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 arena, home to the Miami Heat, is accustomed to international stars like Bad Bunny and Andrea Bocelli. — Jacqueline Charles, Miami Herald, 23 Sep. 2026

The company is accustomed to settling on its coffee sources 12 to 24 months ahead of time. — David Goldman, CNN Money, 20 Sep. 2026

That unvarnished honesty, the willingness to take themselves down a notch, clearly resonated with the audience of young people accustomed to spending hours each day swiping through content engineered to mask imperfection. — Antonio Ferme, Variety, 19 Sep. 2026

Such victories accustomed many Americans to imagining that their skilled leaders could break seemingly intractable political deadlocks in decisive ways. — Orville Schell, Foreign Affairs, 16 Sep. 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