As a noun euphemist
is one who uses euphemisms.
As an adjective euphemistic is
of or pertaining to euphemism.
euphemist
English
Noun
(
en noun)
One who uses euphemisms.
* 2002 , Hal Crowther, Cathedrals of Kudzu: A Personal Landscape of the South
- He was a man of dark moods and self-destructive impulses, subject to what euphemists call "nervous illness." He was never at any safe distance from despair.