From Longman Dictionary of Contemporary Englishset about something/somebody phrasal verb1 START DOING somethingto start doing or dealing with something, especially something that needs a lot of time and effort A team of volunteers set about the task with determination.set about doing something How do senior managers set about making these decisions?2 ATTACK literary to attack someone by hitting and kicking them They set about him with their fists. → set→ See Verb table
Examples from the Corpus
set about doing something• Lou set about decorating their new house in blues and yellows. 