e 1 s 1 t 1 a 1 b 3 l 1 i 1 s 1 h 4 m 3 e 1 n 1 t 1 a 1 r 1 i 1 a 1 n 1 i 1 s 1 m 3
21 letters · 30 points in Scrabble
Meaning
noun the doctrine of supporting the social or political establishment
originFrom establishmentarian + -ism.
Etymology from Wiktionary, CC BY-SA 3.0