Agreement among scientists based on the reputation of someone instead of facts is a logical error. Definitions interest People are interested in different things and to different extents. In science, interest is demonstrated by writing research proposals, requesting grants, collecting data, inventing a theory, interpreting data, and arguing for one's point theory A standard way of communicating about a subject. Includes definitions, assumptions, and justifiable conclusions. A more or less arbitrary assignment of a name to a concept.
Good definitions suggest the conclusions of a theory by analogy .
A relation between a data model and some real phenomenon which we use to remember important facts and suggest interesting questions.