What is the meaning of naturalised?

verb

• Adopt to another place.
  • usage: "The stories had become naturalized into an American setting"
  • synonyms: naturalize, naturalise
• Make more natural or lifelike.
  • synonyms: naturalize, naturalise
• Make into a citizen.
  • usage: "The French family was naturalized last year"
  • synonyms: naturalize, naturalise
• Adapt (a wild plant or unclaimed land) to the environment.
  • usage: "domesticate oats"; "tame the soil"
  • synonyms: domesticate, cultivate, naturalize, naturalise, tame

adjective

• Planted so as to give an effect of wild growth.
  • usage: "drifts of naturalized daffodils"
  • synonyms: naturalized