Определение jeffersonian simplicity в Английский Язык Английский Язык словарь
The absence of pomp or display which Jefferson aimed at in his administration as President (1801-1809), eschewing display or ceremony tending to distinguish the President from the people, as in going to the capital on horseback and with no escort, the abolition of court etiquette and the weekly levee, refusal to recognize titles of honor, etc