Catalyst and Impetus

Catalyst noun - (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected.

Impetus is a synonym for catalyst in something which incites activity topic. In some cases you can use "Impetus" instead a noun "Catalyst".

Nearby Words: catalyze, catalyse, catalyzer, catalytic, catalysed

Impetus noun - Something that arouses action or activity.

Catalyst is a synonym for impetus in stimulus topic. You can use "Catalyst" instead a noun "Impetus", if it concerns topics such as incentive.