There are numerous synonyms for the phrase "took care of" that can be used to add variety and depth to your writing. Some options include: managed, tended to, looked after, oversaw, watched over, nurtured, attended to, guarded, provided for, handled, supervised, presided over, guided, directed, controlled, regulated, and maintained. Each of these synonyms emphasizes a slightly different aspect of taking care of something or someone. For example, "oversaw" suggests a more authoritative or supervisory role, while "nurtured" implies a more caring, familial role. By using different synonyms for "took care of," you can convey a range of tones and meanings in your writing.