An example of accustom would be moving to a rainy climate and adapting over time to the weather.
Origin of accustomMiddle English accustomen from Old French acostumer from a-, to + costume: see custom
transitive verbac·cus·tomed, ac·cus·tom·ing, ac·cus·toms
Origin of accustomMiddle English accustomen from Old French acostumer a- to ( from Latin ad- ; see ad- . ) costume custom ; see custom .
(third-person singular simple present accustoms, present participle accustoming, simple past and past participle accustomed)
- To make familiar by use; to cause to accept; to habituate, familiarize, or inure; -- with to.
- (obsolete) Custom.