Definition of "advantageousness" [ad•van•ta•geous•ness]

• The state or quality of being advantageous. (noun)

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• "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."
• "The advantageousness of the transaction is mutual, not the exploitation."
• "Her guardian, from a pure love of his ward, and a sense of the advantageousness of the offer, heartily espoused the interests of the young gentleman."