[f. Spencer (see prec.) + -ISM.] The philosophy of Herbert Spencer, or views in accordance with this.
1880. Nature, XXI. 406. The propagation of Spencerism and Monism.
1900. H. Macpherson, H. Spencer, 68. Spencerism stands on its own merits as the philosophy of the Knowable.
So Spencerite, a Spencerian.
1882. Advance (Chicago), 30 March, 194. There are such sects as Calvinists and Agnostics, and one of Spencerites.