IPA: /ˌfɔːlsɪfɪˈkeɪʃən/
KK: /fɔlsɪfɪˈkeɪʃən/
The act of making something false or incorrect, often by lying or misrepresenting facts.
The scientist faced serious consequences for the falsification of his research data.
Falsification → It is formed from "falsus" (meaning false) and "-ficare" (meaning to make). The word refers to the act of making something false or untrue.
Think of 'false' and remember that 'falsification' means the act of making something false.