colloq. [f. SWELL sb. 9 + -DOM.] The realm or world of swells; people of rank and fashion, or of distinction of any kind.
1855. Thackeray, Newcomes, xliii. When all Swelldom is at her feet.
1864. J. R. Green, Lett., II. (1901), 152. My paper made a sensation and placed me among the swellsa thing I care less and less about as I more and more discover what a false pretence antiquarian swelldom is.
1885. Graphic, 21 Feb., 174/2. In the railway train, we sit either in exclusive swelldom in the first, or herd with the vulgar in the third class.