'So called' in the Bible

But certain men from the so-called "Synagogue of the Freedmen" and certain Cyrenians, and Alexandrians, Cilicians, and men from Roman Asia, started to dispute with Stephen,

But what I wrote was that you were not to associate with any so-called brother who is immoral, or avaricious, or idolatrous, or abusive, or a drunkard, or an extortioner. No, with such persons do not even sit at table.

For though there be so-called "gods," celestial of terrestrial, as indeed there are gods many and lords many,