Entry 2 senses · 2 variants Webster, 1913 Phalansterian · Phal·an·ste·ri·an · IPA a. n. 01 a. Of or pertaining to phalansterianism. 1. Of or pertaining to phalansterianism. 02 n. One who favors the system of phalansteries proposed by Fourier. 1. One who favors the system of phalansteries proposed by Fourier.