What is the meaning of the word "instantiate"?

Definitions:

  1. find an instance of, a word or particular usage of a word copy to clipboard verb
    • The linguists could not instantiate this sense of the noun that you claimed existed in a certain dialect. copy to clipboard
  2. represent by an instance copy to clipboard verb
    • This word instantiates the usage that the linguists claimed to be typical for a certain dialect copy to clipboard