Is “Causal” a Scrabble word?
Yes
CAUSAL
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 Causal
/ˈkɔːz.əl/
noun
1.(grammar) a word (such as because) that expresses a reason or a cause
adjective
1.Of, relating to, or being a cause of something; causing
“There is no causal relationship between eating carrots and seeing in the dark.”