Become Accustomed (To) is a phrase that describes the process of adapting to a new situation or environment. INURE, ADAPT, and ENURE are all five-letter words that can be used to describe this process. INURE means to become hardened or habituated to something through experience or exposure. ADAPT means to make suitable for a new use or purpose. ENURE means to become accustomed to something through continued use or practice. All three words can be used to describe the process of becoming accustomed to something.