Hedonist
Concept · Stellaris 4.5.2
Hedonist in the Stellaris encyclopedia: Hedonists turn Consumer Goods into Unity, but produce no Amenities, and under Decadent Lifestyle increase Pop Growth (or Assembly) Speed.
Hedonist in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Hedonists turn Consumer Goods into 
Unity, but produce no 
Amenities, and under Decadent Lifestyle increase Pop Growth (or Assembly) Speed.
A life of total opulence, where every possible material need or desire can be satisfied.
Source: common/game_concepts (concept_hedonist, also concept_hedonists) and localisation/english, Stellaris Cygnus v4.5.2 (9776).