Institutionalise is valid word

Is institutionalise a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words NO
Is institutionalise valid Words with Friends?
Words with Friends NO

16 letters word
16 points in Scrabble
20 points in WWF

Definitions for INSTITUTIONALISE in dictionary:

VERB:

establish (something, typically a practice or activity) as a convention or norm in an organization or culture
place or keep (someone) in a residential institution
cause to be admitted; of persons to an institution

Words that contain INSTITUTIONALISE

institutionalised18 institutionalises17

Find what other words can be done using letters: "institutionalise"
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