used to is an adjective meaning "in the habit of or adapted to". It carries 2 recorded senses.
in the habit of or adapted to
“accustomed to doing her own work”
“I've grown accustomed to her face”
“we are used to better service in this restaurant”
in the habit of doing something
“...was wont to complain that this is a cold world”
literature · poetry
Definitions, synonyms and semantic relations for used to come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.