yeasayer

Etymology
Origin: 1915–1920, after, from + , equivalent to. First recorded use: 1920.

Noun

 * 1) One whose attitude is positive, optimistic, confidently affirmative.
 * 2)  One who habitually agrees uncritically.

Translations

 * Arabic: إِمَّعَة
 * Czech: přikyvovač
 * Finnish: jees-mies
 * German:, Ja-Sager, , Ja-Sagerin
 * Polish:, ,
 * Russian: ,