Ventage is a 7 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 14 points.
You can make 138 anagrams from letters in ventage (aeegntv).
First recorded in 1595-1605; vent1 + -age
The most modest emendation, perhaps, would be this—for Vintage read ventage.