Designative and Extensional

Designative adjective - Serving to designate.

Extensional and designative are semantically related. In some cases you can use "Extensional" instead an adjective "Designative".

Extensional adjective - Defining a word by listing the class of entities to which the word correctly applies.

Designative and extensional are semantically related. Sometimes you can use "Designative" instead an adjective "Extensional".