catalyses

(noun) acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction. Synonyms: catalysis, contact action. Example: "Of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced."

(verb) change by catalysis or cause to catalyze. Synonyms: catalyze, catalyse.