accustom
verb (used with object)
to familiarize by custom or use; habituate.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Still he had been accustoming himself to the idea, and, now that it was broken clean off, he was not so much pleased as he had expected.
From Sir Tom by Mrs. (Margaret) Oliphant