1. (n.) Any condition, circumstance, opportunity, or means, particularly favorable to success, or to any desired end; benefit; as, the enemy had the advantage of a more elevated position.

2. (n.) Superiority; mastery; -- with of or over.

3. (n.) Superiority of state, or that which gives it; benefit; gain; profit; as, the advantage of a good constitution.

4. (n.) Interest of money; increase; surplus (as the thirteenth in the baker's dozen).

5. (v. t.) To give an advantage to; to further; to promote; to benefit; to profit.

accommodation account advance advancement advantageously advantageousness advisability allowance amenity answer appliance applicability appropriateness appurtenance ascendancy asset avail be handy be of use be right befit befitting behalf behoof benediction beneficialness benefit benison bestead better betterment blessing boon boost break no bones bulge coign of vantage conduce to contribute to convenience deadwood decency desirability do do good do no harm do the trick dominance domination draw drop edge encourage enhancement expedience expediency expedite facilitate facility favor feasibility fill the bill fit fitness fittingness flying start foothold footing forward fruitfulness further gain give good returns godsend good handicap hasten head start heightening help hold improvement inside track interest jump lead leadership lend wings to make for mastery not come amiss odds opportuneness overhand pay pay off percentage point politicness profit profitability promote propriety prosperity prudence purchase push forward put forward quicken relevance rightness running start seasonableness seemliness serve serve the purpose service serviceability set forward something extra something in reserve speed start suffice suit the occasion suitability superiority sway timeliness to advantage toehold traction upper hand use usefulness utility value vantage vantage ground vantage point victory welfare well-being whip hand wisdom work work for world of good worth worthwhileness yield a profit