set about

(verb) begin to deal with. Synonyms: set about, go about, approach. Examples: "Approach a task." "Go about a difficult problem." "Approach a new project."

(verb) enter upon an activity or enterprise. Synonyms: undertake, set about, attempt.

(verb) take the first step or steps in carrying out an action. Synonyms: get down, begin, get, start out, start, set about, set out, commence. Examples: "We began working at dawn." "Who will start?." "Get working as soon as the sun rises!." "The first tourists began to arrive in cambodia." "He began early in the day." "Let's get down to work now."