Neologist

[ni:'ɒlәdist]

Definition

(noun.) a lexicographer of new words and expressions.

Checked by Leroy--From WordNet

Definition

(n.) One who introduces new words or new senses of old words into a language.

(n.) An innovator in any doctrine or system of belief, especially in theology; one who introduces or holds doctrines subversive of supernatural or revealed religion; a rationalist, so-called.

Checker: Osbert