belonging to or befitting a supreme ruler; "golden age of imperial splendor"; "purple tyrant"; "regal attire"; "treated with royal acclaim"; "the royal carriage of a stag's head"
befitting or belonging to an emperor or empress; "imperial palace"
relating to or associated with an empire; "imperial colony"; "the imperial gallon was standardized legally throughout the British Empire"
an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
a custom that for a long time has been an important feature of some group or society; "the institution of marriage"; "the institution of slavery"; "he had become an institution in the theater"
an organization founded and united for a specific purpose