descriptivist

[dih-skrip-tuh-vist] /dɪˈskrɪp tə vɪst/
noun
1.
a writer, teacher, or supporter of descriptive grammar or descriptive linguistics.
adjective
2.
of, pertaining to, or based on descriptive grammar or descriptive linguistics.
Origin
1950-55; descriptive + -ist
Related forms
descriptivism, noun
British Dictionary definitions for descriptivism

descriptivism

/dɪˈskrɪptɪˌvɪzəm/
noun
1.
(ethics) the theory that moral utterances have a truth value Compare prescriptivism, emotivism
Derived Forms
descriptivist, adjective