Of a phrase (especially an adjective), possessing the property it describes.(adjective)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "autological" in a sentence
"To each word there corresponds a concept, that the very word designates, and which applies to it or does not apply; in the first case, we call the word autological, else heterological."
"PS sesquipedalian is my favourite autological word ."
"Now the word ˜heterological™ itself is autological or heterological."