English edit

 
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Etymology edit

From seigneurial +‎ -ism.

Noun edit

seigneurialism (uncountable)

  1. Manorialism; feudalism.
    • 2002, Colin Jones, The Great Nation, Penguin, published 2003, page 153:
      In addition, peasants had to operate within a social and juridical system – seigneurialism, or féodalité (‘feudalism’) in contemporary parlance – which also inhibited innovation.