S: (v) process, treat (subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition) "process cheese"; "process hair"; "treat the water so it can be drunk"; "treat the lawn with chemicals"; "treat an oil spill"
S: (v) change, alter, modify (cause to change; make different; cause a transformation) "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"