Dictionary Definition

accustom v : make psychologically or physically used (to something); "She became habituated to the background music" [syn: habituate]

User Contributed Dictionary

Old French acostumer, acustumer, French accoutumer; à (Latin ad) + Old French costume, French coutume, custom. See custom.

To make familiar by use; to cause to accept; to habituate, familiarize, or inure; -- with to.
- ca. 1753: I shall always fear that he who accustoms himself to fraud in little things, wants only opportunity to practice it in greater. - John Hawkesworth et al., Adventurer
In the context of "intransitive|obsolete": To be wont.
In the context of "intransitive|obsolete": To cohabit.
- We with the best men accustom openly; you with the basest commit private adulteries. - John Milton

To make familiar by use

To be wont

To cohabit