Paradigm
noun
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)
Similar: substitution class
noun
the generally accepted perspective of a particular discipline at a given time
“he framed the problem within the psychoanalytic paradigm”
noun
systematic arrangement of all the inflected forms of a word
noun
a standard or typical example
“he is the prototype of good breeding”
Similar: prototype, epitome, image