Is “Hearken” a Scrabble word?
Yes
HEARKEN
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 Hearken
/ˈhɑːk(ə)n/
verb
1.(obsolete except poetic) To hear (something) with attention; to have regard to (something).
2.To listen; to attend or give heed to what is uttered; to hear with attention, compliance, or obedience.
3.To enquire; to seek information.