cat·a·lyst 
/ˈkætələst/ noun
plural cat·a·lysts /ˈkætələst/ noun [count] 1 technical : a substance that causes a chemical reaction to happen more quickly 2 : a person or event that quickly causes change or action
▪ The bombing attack was the catalyst for war. ▪ She was proud to be a catalyst for reform in the government.
▪ The bombing attack was the catalyst for war. ▪ She was proud to be a catalyst for reform in the government.
