best resource for looking up new words by entering your own explanation for the desired would be word?

For example, right now I am trying to find a word for this:
a scenario of when you encounter a person seemingly so profoundly stupid that it causes you to question yourself, creates moments of introspection about your own beliefs , intellect , system of thinking; you become maybe unaware of where you were "wrong" for this person's own way of thinking. were you wrong at all to begin with ? maybe he is right ?

I am not aware if there is such word, because I never really read any books and have a basic vocabulary