The Collaborative International Dictionary
Phalansterism
Phalansterism \Pha*lan"ster*ism\, Phalansterianism \Phal`an*ste"ri*an*ism\, n. A system of phalansteries proposed by Fourier; Fourierism.
Wiktionary
phalansterism
n. A system of phalanstery; Fourierism.