Is “Acing” a Scrabble word?
Yes
ACING
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 Acing
/ˈeɪ.sɪŋ/
verb
1.(US) To pass (a test, interviews etc.) perfectly.
2.To win a point by an ace.
3.To make an ace (hole in one).
Synonyms: pass with flying colours