Is “Concertizing” a Scrabble word?
Yes
CONCERTIZING
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 Concertizing
verb
1.To perform in concerts
2.To adapt to the concert form