paradigm

systematic arrangement of all the inflected forms of a word

a standard or typical example; "he is the prototype of good breeding"; "he provided America with an image of the good father"

the class of all items that can be substituted into the same position (or slot) in a grammatical sentence (are in paradigmatic relation with one another)

the generally accepted perspective of a particular discipline at a given time; "he framed the problem within the psychoanalytic paradigm"