accustom
verb (used with object)
to familiarize by custom or use; habituate.
Used to describe an action that began in the past, has continued continuously, and is still in progress.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They jar strangely on the eye, after it has been accustoming itself to perfect harmony and proportions.
From From Cornhill to Grand Cairo by William Makepeace Thackeray