聖せい代だいせいだいMeanings1nounmagnificent imperial reignA formal, literary noun praising an emperor's reign as virtuous and prosperous. Found mainly in historical or poetic contexts.聖せい代だいの治ち世せいは後こう世せいの模も範はんとされた。The rule of that magnificent imperial reign was held up as a model for later generations.
