adjective · relating to the principles of dynastic succession or being a rightful heir

他是皇室的正统继承人。

adjective · traditional or conforming to established doctrines, beliefs, or standards

他的学术观点非常正统。

adjective, noun · Zhengtong Emperor, reign name of sixth Ming Emperor Zhu Qizhen (1427-1464), reigned 1435-1449, temple name Yingzong

这件精美的古董瓷器据说制作于明朝正统年间。