Sentence:  Such, from sad personal experience and credited prevailing rumor, is the <WSD>exoteric</WSD> public conviction about these sublime establishments in Downing Street and the neighborhood, the esoteric mysteries of which are indeed still held sacred by the initiated, but believed by the world to be mere Dalai-Lama pills, manufactured let not refined lips hint how, and quite un-salvatory to mankind. 
Meaning of the word marked with <WSD> tags:  Public or popular; having wide currency