administration; government; conduct of state affairs
A somewhat formal, literary term for governing or managing the affairs of a nation. Often used in historical or political contexts.
He was blessed with a talent for statecraft.
The spirit of governing the world and relieving the people was at the root of the reforms.
From Chinese 經世／经世 (jīngshì), meaning 'to govern the world'. The Japanese reading is けいせい, using the on'yomi of the characters.