Catalyst.

1. A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

2. A person or thing that precipitates an event.

Manifest.

1. Clear or obvious to the eye or mind.

2. To show (a quality or feeling) by one's acts or appearance; demonstrate.

Root.

1. The basic cause, source, or origin of something.

2. To establish deeply and firmly.

Collections.