* Reforestation: This is the most common term and means planting trees to restore a forest.
* Afforestation: This refers to the process of establishing a forest on land that has not previously been forested.
* Deforestation: This refers to the clearing of forests for other uses.
* Sylvan: This refers to something related to forests or woods.
You can also use prefixes like hyper-, over-, under-, or de- to modify the meaning of "forestation" depending on the context. For example:
* Hyperforestation: Could refer to excessive or rapid forestation.
* Overforestation: Could refer to forestation that is excessive for the given area.
* Underforestation: Could refer to a lack of forestation in a particular area.
* De-forestation: Could refer to the removal of forest cover.
Ultimately, the best prefix to use depends on the specific context and the meaning you want to convey.