In some contexts, "get" is used to explain causing a thing to occur or persuading an individual to get motion. undergo - go through; "The chemical undergoes a unexpected adjust"; "The fluid undergoes shear"; "go through a wierd feeling" For example, in place of creating "I received your electronic mail," https://fatallisto.com/story10531263/indicators-on-get-marijuana-in-bath-you-should-know