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

For beneficiaries accustomed to paying a $5 or $10 copay for their pharmaceuticals, a $50 copay could still be a big financial barrier. —Jackie Fortiér, Miami Herald, 8 May 2026

For beneficiaries accustomed to paying a $5 or $10 copay for their pharmaceuticals, a $50 copay could still be a big financial barrier. —Jackie Fortiér, NPR, 6 May 2026

And they also got accustomed living their lives in front of their computer and not being in the workplace. —Dana Taylor, USA Today, 6 May 2026

That makes these accounts between 715% and 1,030% more profitable than the average rate many may be accustomed to receiving on their money now. —Matt Richardson, CBS News, 4 May 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