The dress brought out her figure to advantage.    From Wordnet, Princeton University. 

Noun : the advantage of a good education. ,It will be to his advantage to learn Chinese before going to China. ,His height gave him an advantage over his opponent. ,their advantage in experienced players.    From Dictionary.com. 

Verb (used with object) : Such action will advantage our cause. ,It would advantage him to work harder.    From Dictionary.com.