Is “Quicken” a Scrabble word?
Yes
QUICKEN
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 Quicken
/ˈkwɪkən/
verb
1.To give life to; to animate, make alive, revive.
2.To come back to life, receive life.
3.To take on a state of activity or vigour comparable to life; to be roused, excited.