Meaning of alternativism in English:
alternativism
Pronunciation /ɔːlˈtəːnətɪvɪz(ə)m/ /ɒlˈtəːnətɪvɪz(ə)m/
noun
The practice or pursuit of an approach or lifestyle which is considered unorthodox or outside of the mainstream.
Origin
1950s (in an earlier sense). From alternative + -ism.