Definition of ideologism in English:
ideologism
(also idealogism)
noun ˌʌɪdɪˈɒlədʒɪz(ə)mˌɪdɪˈɒlədʒɪz(ə)m
Adherence or conformity to an ideology or doctrine, especially to an inflexible or impractical degree. Also occasionally: an instance of this.
Origin
Mid 19th century. From ideology + -ism.