Definition of well-governing in English:

well-governing

Pronunciation /ˌwɛlˈɡʌv(ə)nɪŋ/ /ˌwɛlˈɡʌvənɪŋ/

noun

rare
  • The action or fact of governing well; good governance.

Origin

Late 15th century; earliest use found in William Caxton (1415x24–1492), printer, merchant, and diplomat. From well + governing.