Compounds of べし

• すべし
  (exp) should do
  ought to do
• べし見
  (n) beshimi
  type of Noh mask with a slanted mouth, bulging eyes and large nostrils
• すべすべした
  (adj-f) smooth to the touch
• 以て瞑すべし
  (exp) one can now rest in peace
  one ought to be contented with what has been accomplished
• 奇貨居くべし
  (exp) You must seize every golden opportunity
  Strike while the iron is hot
  When you find a rare good buy, seize upon it for a future sale at a much higher price
• もって瞑すべし
  (exp) one can now rest in peace
  one ought to be contented with what has been accomplished
• 推して知るべし
  (exp) can be easily guessed