Noah Webster
Vantage
V'ANTAGE, noun [Latin venio. See Advantage and Van.]
1. Gain; profit. obsolete
2. Superiority; state in which one has better means of action or defense than another. [This, I believe, is used only in the compound, vantage-ground.]
3. Opportunity; convenience. obsolete
V'ANTAGE, verb transitive To profit. [Not in use.]