Wiktionary
alt. (context idiomatic English) An indication of acceptance, especially of a situation which is not entirely favorable. phr. (context idiomatic English) An indication of acceptance, especially of a situation which is not entirely favorable.
Wikipedia
"So Be It" is a song recorded by British singer Lisa Stansfield for her 2014 album, Seven. It was written by Stansfield and her husband Ian Devaney, and produced by Devaney. "So Be It" was announced as the third single on 27 March 2014 and premiered on Terry Wogan's BBC Radio 2 show on 30 March 2014. The music video premiered on 3 May 2014. "So Be It" was set for the release in the United Kingdom on 5 May 2014. The song was remixed by Cahill and Soul Talk (Ernie McKone and Toby Baker). Both remixes were included on the re-release of Seven, titled Seven+. Stansfield performed the song during her Seven Tour. On 24 February 2015, "So Be It" and " There Goes My Heart" were released as a double A-side 7" single in the United Kingdom.
Usage examples of "so be it".
If a few hearty rascals had indulged in a little high living, so be it.
And if that means that Brian goes on living in sheltered accommodation, or Monkey has to sleep rough, well, so be it.
DE GUICHE (rushing to Roxane, and carrying her away in his arms): So be it!