The word “pseudoscience” is used to describe something that is portrayed as scientific but fails to meet scientific criteria. This misrepresentation occurs because actual science has creditability (which…
The first and highest level at which science can be distinguished from pseudoscience involves how an area of study grows in knowledge and utility.
The philosopher John Dewey in his Theory of Inquiry said that we understand knowledge as that which is “so settled that it is available as a resource in further inquiry”.
This is an excellent description of how we come to “know” something in science. It shows how existing knowledge can be used to form new hypotheses, develop new theories and hence create new knowledge.
It is characteristic of science that our knowledge, so expressed, has grown enormously over the last few centuries, guided by the reality check of experimentation.
In short, the new knowledge works and is useful in finding more knowledge that also works.