'Undertook' in the Bible

So the Jews undertook what they had started to do, and what Mordecai had written to them.

However, some men from what was called the Synagogue of the Freedmen (freed Jewish slaves), both Cyrenians and Alexandrians, and some from Cilicia and [the province of] Asia, rose up and questioned and argued with Stephen.

Then some of the traveling Jewish exorcists also attempted to call the name of the Lord Jesus over those who had evil spirits, saying, “I implore you and solemnly command you by the Jesus whom Paul preaches!”