Decompaction refers to the process of reducing the density of something, typically soil. There are several synonyms that can be used to describe this process. One such synonym is "aeration", which involves increasing the oxygen content of soil by creating pockets or spaces for air to flow through. Another synonym for decompaction is "loosening", which describes the process of breaking up compacted soil to create a more porous, open structure. Other synonyms for decompaction include "tillage", "cultivation", and "tending", all of which describe the process of caring for and maintaining soil health. Ultimately, no matter which synonym is used, the goal of decompaction is to promote healthy soil and plant growth.