Refers to the doctrine or approach in various fields (architecture, sociology, philosophy of mind, etc.) that emphasizes function over form or purpose over structure.
Functionalism is an important concept in architectural design.
Functionalism in sociology analyzes how each part of society contributes to overall stability.
Compound of 機能 (function) + 主義 (principle, doctrine). A straightforward calque or translation of the English term 'functionalism'.