Definition of 所為 (しょい)

noun
1.
act, deed, one's doing
See also:仕業
2.
cause, reason(only relevant for しょい)
Other readings:
所為【そい】[1]
Notes:
  1. out-dated or obsolete kana usage
Related Kanji
place, extent
do, change, make, benefit, welfare, be of use, reach to, try, practice, cost, serve as, good, advantage, as a result of