autological
Definitions
Describing a word that possesses the property it denotes, such as the word 'pentasyllabic' or 'English'.
Self-referential in a way that the term accurately describes itself.
Examples
The word 'pentasyllabic' is autological because it consists of exactly five syllables.
Unlike the word 'short', which is not short, the word 'English' is autological because it is an English word.