Catalyst

The act of remembering who somebody is, or identifying what something is; if you are given recognition, people show admiration and respect for your achievements

The introduction of new things, ideas, or ways of doing something. 

A set of rules or instructions that are given by an official organisation telling you how something should be done.

Advice, criticism, or information about how good or useful something or somebody’s work is.

The ability to understand or to do something.