theoreticismn.
/ˌθɪəˈrɛtᵻsɪz(ə)m/, U.S. /ˌθiəˈrɛdəˌsɪz(ə)m/ Frequently depreciative.
The practice of emphasizing theoretical inquiry and adherence to abstract principles over practical investigation or experience.
ΘΚΠ
the mind > mental capacity > philosophy > idealism > [noun] > speculative idealism
theoreticism1902
1902 Ethical Rec. 3 205/1 The reproach of pure theoreticism, of pure intellectualism, of divorcing precept from practice.
1949 Jrnl. Relig. 29 295/1 There is no need to elaborate here the futilities of either a ‘vocationalism’ or a ‘theoreticism’.
1981 Times Lit. Suppl. 6 Feb. 136/4 They were..saturated in what would have been called—had the word not borne the double taint of ‘jargon’ and ‘theory’—theoreticism.
2009 Contemp. Sociol. 38 216/2 Elias disdained abstract, general theorizing, insisting that sociological theory resist the temptation of philosophical theoreticism.
This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022).
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n.1902