Answer:

UPPERHAND

Answer	Crossword Clue
UPPERHAND	Edge
UPPERHAND	Controlling position
UPPERHAND	Advantageous position

UPPERHAND	Advantage
UPPERHAND	Position of control.
UPPERHAND	Most powerful position.
UPPERHAND	Mastery.
UPPERHAND	Advantage.
UPPERHAND	Dominating position.
UPPERHAND	It's an advantage
UPPERHAND	What one in control has

UPPERHAND	Advantage ... or what the answer to each starred clue has?