i Register
In some senses, accustom is marked as obsolete. Watch for register when choosing this word.
verb
To make familiar by use; to cause to accept; to habituate, familiarize, or inure.
Early exposure to pet allergens and pet-related bacteria accustoms the body to allergens.
I shall always fear that he who accustoms himself to fraud in little things, wants only opportunity to practice it in greater.
To be wont.
all of them accustoming , once in the year , to take their kind of the fresh water
To cohabit.
Much better do we Britans fulfill the work of Nature than you Romans; we with the beſt men accuſtom op'nly; you with the baſest commit private adulteries.
noun
Custom.