Is “Externalized” a Scrabble word?
Yes
EXTERNALIZED
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 Externalized
verb
1.To make something external or objective
2.To represent something abstract or intangible as material; to embody
3.To attribute emotions etc to external circumstances; to project