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.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
accustom someone to someone or something
to get someone used to someone or something. I think we can accustom Fred to the new rules without difficulty.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
To bring someone or something into a condition that is harmonious with something else, especially through repeated experience: I have accustomed myself to waking up at dawn. They are not accustomed to such formal clothing.
The American Heritage® Dictionary of Phrasal Verbs. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.