noun. The quality or state of being advantageous; profitableness; usefulness; convenience.

noun. Profitableness.

noun. The state or quality of being advantageous.

noun. the quality of being encouraging or promising of a successful outcome

"Just look at Simon Baron-Cohen; although he accepts the advantageousness of autism in some situations, with a spin he declares it a difference that is much more likely to occur in males - and that it's just the "extreme male" variation."

advantage  vantage  

auspiciousness  propitiousness  

profitableness