Is “Heroism” a Scrabble word?
Yes
HEROISM
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 Heroism
/ˈhɛɹəʊɪzəm/
noun
1.The qualities characteristic of a hero, such as courage, bravery, fortitude, unselfishness, etc.; the display of such qualities.