Is “Categorization” a Scrabble word?
Yes
CATEGORIZATION
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Categorization
noun
1.A group of things arranged by category; a classification.
2.The process of sorting or arranging things into categories or classes.