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accustom (one) to (something)

To familiarize one with something. You need to accustom the new interns to the layout of the building. Seth will accustom you to this project before our next meeting. Accustom yourself to the new software before we start using it more frequently.
See also: accustom, to

accustomed to (something)

Familiar or comfortable with something. This phrase is often used to describe aspects of one's daily routine. Now that she is no longer in school, Stella has become accustomed to staying up late and sleeping until noon. I never thought I would become accustomed to this dusty old warehouse, but now I almost enjoy it here.
See also: accustomed, to
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

*accustomed to someone or something

 and *accustomed to doing something used to someone or something
; used to or in the habit of doing something. (*Typically: be ~; become ~; grow ~.) The children are accustomed to eating late in the evening.
See also: accustomed, to
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

accustomed to

Used to something or someone; having the habit of doing something. For example, In Spain we gave up our usual schedule and became accustomed to eating dinner at 10 p.m. Professor Higgins in the musical My Fair Lady (1956) ruefully sang the song "I've Grown Accustomed to Her Face" after his protégé Eliza walked out on him. [Second half of 1400s]
See also: accustomed, to
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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References in periodicals archive ?
"So far I have not publicly criticized work of the State Revenue Service because the head of the service needs time to get accustomed to the work and come up with the planned changes.
The 'Walk The Line' star said that he could imagine it in the case of an actor like Johnny Depp, who for years has had such a level of fame that he is somewhat accustomed to it.
Summary: Colin Firth has admitted he would like to try some riskier acting roles rather than the more suited ones he has become accustomed to.
[Over recent years, most Muslim women and girls in this predominantely Muslim girls have been accustomed to appearing in public wearing the Islamic headdress.]
Summary: In a spartan six-story building on a muddy side street in Algiers, Nadia Derafa and Mohamed el Aasar have grown accustomed to working late into the night.
According to the Times, federal officials "had become accustomed in recent years to having any mention of a link between climate trends and human activities played down or trimmed when drafts of documents went to the Commerce Department and the White House for approval."
LAST DAYS continues and end-of-world saga begun in PEEPS, but no prior familiarity is needed to quickly become accustomed to plot and action.
While we've grown comfortably accustomed to having whatever food we want, during any season and at any hour, Sandor Ellix Katz, author of The Revolution Will Not Be Microwaved (Chelsea Green Publishing Company, $20), says that that convenience comes at a substantial cost.
To those not accustomed to examining the present in more than its immediate context it may, therefore, be shocking to realize that it was only toward the beginning of the eighteenth century that there emerged a marked tendency to sequester alchemy from the new science of chemistry and, although the divorce is now irredeemable, alchemy retains its own place in the annals of human thought.
"Digital tools like these will help customers who are accustomed to doing their own product research to become more knowledgeable about products in the store without the help of clerks," Anthony says.
Accordingly, these donors are already accustomed to thanks and recognition programs, and will become increasingly more so in the coming years as competition amongst charitable agencies continues to grow.
Ursula is not presented as someone accustomed to killing, nor are her friends.
"As a Brooklyn-based firm, we are accustomed to seeing brownstone used in residential construction, but this it is highly unusual to see it in such a grand commercial structure," Doban said.
Grady is too young to realize the nature of their attraction and is accustomed to acting on whims with impunity.