Vantage

Van"tage (vȧn"t?j; 48), n. [Aphetic form of OE. avantage, fr. F. avantage. See Advantage.]

1. superior or more favorable situation or opportunity; gain; profit; advantage. [R.]

O happy vantage of a kneeling knee!
Shak.

2. (Lawn Tennis) The first point after deuce.

☞ When the server wins this point, it is called vantage in; when the receiver, or striker out, wins, it is called vantage out.

To have at vantage, to have the advantage of; to be in a more favorable condition than. "He had them at vantage, being tired and harassed with a long march." Bacon. -- Vantage ground, superiority of state or place; the place or condition which gives one an advantage over another. "The vantage ground of truth. Bacon.

It is these things that give him his actual standing, and it is from this vantage ground that he looks around him.
I. Taylor.

Van"tage, v. t. To profit; to aid. [Obs.] Spenser.