i 1 n 1 s 1 t 1 i 1 t 1 u 1 t 1 i 1 o 1 n 1 a 1 l 1 i 1 s 1 e 1 d 2
17 letters · 18 points in Scrabble
Meaning
verb cause to be admitted; of persons to an institution
adjective officially placed in or committed to a specialized institution
adjective given the character of an institution or incorporated into a structured and usually well-established system