IPA: /fæˈsɪʃtɪkli/
KK: /fæˈsɪstɪkli/
In a way that follows the principles of fascism, often involving intolerance or oppression.
The government acted fascistically, suppressing any dissenting voices.
Fascistically → It is formed from "fascist" (from Italian "fascista", meaning a member of a political party that advocates authoritarian nationalism) and the suffix "-ically" (meaning in a manner relating to). The word "fascistically" describes actions or behaviors that are characteristic of or related to fascism.
Think of the term 'fascist' which relates to authoritarian nationalism, and remember that 'fascistically' means acting in a manner that reflects those fascist principles.