re ‧ for ‧ est ‧ a ‧ tion /riːˌfɒrəˈsteɪʃ ə n, riːˌfɒrɪˈsteɪʃ ə n $ -ˌfɔː-, -ˌfɑː-/ BrE AmE noun [uncountable]
the practice of planting trees in an area where they were previously cut down, in order to grow them for industrial use or to improve the environment OPP deforestation