naturalize in WordNet English dictionary

1. adapt (a wild plant or unclaimed land) to the environment
   "domesticate oats"; "tame the soil"
   domesticate  cultivate  naturalize  naturalise  tame 
   
2. make into a citizen
   "The French family was naturalized last year"
   naturalize  naturalise 
   
3. make more natural or lifelike
   naturalize  naturalise 
   
4. adopt to another place
   "The stories had become naturalized into an American setting"
   naturalize  naturalise 
   
5. explain with reference to nature
   naturalize