This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The act or process of creating a new forest where none had existed before, or reforestation of areas long deforested.

n. The act of converting into forest or woodland.

n. The act of turning ground into forest or woodland, or subjecting it to forest law; the territory afforested.

n. the conversion of bare or cultivated land into forest (originally for the purpose of hunting)

"This is called afforestation, and as I mentioned in the piece, it has already happened on a large scale in the eastern United States, the former Soviet Union, China and some other areas."

conversion   

deforest    reforestation    afforest    reforest    deforestation   

cystostomy    camber    colostomy    conservancy    second-growth