When it comes to the term "naturalising" there are a few potential synonyms that come to mind. These include words like acclimating, adapting, assimilating, and integrating. Each of these words has a slightly different nuance but all share the common thread of describing the process of becoming accustomed to or familiar with a particular environment or culture. Whether you are talking about a person who is learning to live in a new country or a plant that is being introduced to a new habitat, the concept of naturalising involves a gradual process of adjustment and acclimation that allows for successful integration into a new ecosystem.