noun, noun or participle which takes 'suru', intransitive verb
imperial visit; attendance (of the Empress)
Honorific term used specifically for the visit or attendance of an Empress (or sometimes other female members of the imperial family). Used in formal contexts such as news reports or official announcements.
皇后陛下が式典に行啓された。
Her Majesty the Empress attended the ceremony.
The schedule of the Empress's visit was announced.