advantage

1 : superiority of position or condition <higher ground gave the enemy the advantage>
2 : a factor or circumstance of benefit to its possessor <lacked the advantages of an education>
3 a : benefit, gain; especially : benefit resulting from some course of action <a mistake which turned out to our advantage> b obsolete : interest 2a
4 : the first point won in tennis after deuce

— to advantage : so as to produce a favorable impression or effect <wishing to be seen to advantage>