usage in WordNet English dictionary

1. accepted or habitual practice
   custom  usage  usance 
   
2. the act of using
   "he warned against the use of narcotic drugs"; "skilled in the utilization of computers"
   use  usage  utilization  utilisation  employment  exercise 
   
3. the customary manner in which a language (or a form of a language) is spoken or written
   "English usage"; "a usage borrowed from French"
   usage