Answer:

unlock

Answer	Crossword Clue
UNLOCK	Open with a key
UNLOCK	Open with a combination
UNLOCK	Open, in a way

UNLOCK	Use a key on a door
UNLOCK	Use a pick on, perhaps
UNLOCK	Use one's key
UNLOCK	Use a key on
UNLOCK	Open
UNLOCK	Release
UNLOCK	Crack, as a code
UNLOCK	Pick, perhaps

UNLOCK	Key a knob to the left, perhaps
UNLOCK	Utilize the right combination
UNLOCK	Crack