Answer: decider

AnswerCrossword Clue
DECIDERTie-breaking game
DECIDERJury, say
DECIDERJudge, at times
DECIDEREpithet for President Bush, with "the"
DECIDERArbiter.
DECIDERSettler.
DECIDERDeterminer.
DECIDERJudge
DECIDERFinal factor
DECIDERGame 7, e.g.
DECIDERAll-important match
DECIDERA score in overtime often
deciderone who decides (to make a choice)