ha ‧ bit ‧ u ‧ ate /həˈbɪtʃueɪt/ BrE AmE verb
[ Word Family: noun : ↑ habit , ↑ habitué ; verb : ↑ habituate ; adverb : ↑ habitually ; adjective : ↑ habitual ]
be/become habituated to (doing) something formal to be used to something or gradually become used to it:
Over the centuries, these animals have become habituated to living in a dry environment.