noun, noun or participle which takes 'suru', transitive verb
respectful notification; respectful announcement
Formal, often written expression used to convey information with deference, such as in official notices or announcements.
開会を謹告いたします。
We respectfully announce the opening of the meeting.
謹告文を掲示板に貼り出した。
They posted a respectful notice on the bulletin board.