Reforestation
Reforestation is the direct human-induced conversion of non-forested land to forested land through planting, seeding and/or the human-induced promotion of natural seed sources, on land that was forested but that has been converted to non-forested land.
UNFCCC, as quoted in Global Canopy Programme, "Glossary of Terms" - "The Little REDD Book. A Guide to governmental and non-governmental proposals for reducing emissions from deforestation and degradation." (Global Canopy Foundation, November 2008.) UNFCCC. Glossary of CDM Terms. EB41. 2008. http://www.globalcanopy.org/themedia/file/PDFs/LRB_lowres/lrb_en.pdf
Re-establishment of forest through planting and/or deliberate seeding on land classified as forest.
Terms and Definitions - FRA 2020, FAO, 2018 (http://www.fao.org/3/I8661EN/i8661en.pdf).