paradigm

noun3

1. •
   A pattern, a way of doing something; especially a pattern of thought, a system of beliefs, a conceptual framework.

   • Thomas Kuhn's landmark “The Structure of Scientific Revolutions” got people talking about paradigm shifts, to the point the word itself now suggests an incomplete or biased perspective.
2. •
   An example serving as the model for such a pattern; an exceptionally good or prototypical example of a pattern or group.

   • According to the Fourth Circuit, “Coca-Cola” is “the paradigm of a descriptive mark that has acquired secondary meaning”. — 2000
3. •
   A set of all forms which contain a common element, especially the set of all inflectional forms of a word or a particular grammatical category.

   • The paradigm of "to sing" is "sing, sang, sung". The verb "to ring" follows the same paradigm.