sociologism
/ˌsəʊʃɪˈɒlədʒɪz(ə)m/ /ˌsəʊsɪˈɒlədʒɪz(ə)m/Frequently depreciative
noun
The (excessive) tendency to explain matters in sociological terms, or to ascribe a sociological basis to other disciplines.
Origin
Early 20th century; earliest use found in International Monthly. From sociology + -ism.