The Oxford Thesaurus An A-Z Dictionary of Synonyms - advantage n.

1) superiority, upper hand, dominance, edge, head start; sway; Colloq US and New Zealand drop: After a year, the advantage was with the Royalists. His height gives him an advantage at basketball. 2) gain, profit, benefit, interest; asset, betterment, improvement, advancement; use, usefulness, utility, help, service: I have information that will be of advantage to her. 3) to advantage. better, (more) favourably, advantageously: The dress sets off her figure to advantage.