> so the word doesn't lose all meaning in the future

The English language doesn’t have a central body that decides what words get to exist, and what they mean, like e.g. the French.

English dictionaries are descriptive, not prescriptive. The definitions are defined by popular culture, rather than a central body.

What is needed is a large enough mass of people to recognise a word as having a particular definition, in order to change/add that definition. See “literally” having a definition of “for emphasis, not literally” as a prime example of the wisdom of crowds.