Mrs. Peniston followed the rise and culmination of the season as keenly as the most active sharer in its gaieties; and, as a looker-on, she enjoyed opportunities of comparison and generalization such as those who take part must proverbially forego.
There are no more uses of "forgo" in the book.
Show samples from other sources
I forgo the blush, since there no longer seems to be a need for it.
Colleen Hoover -- Slammed
So I’d have to forgo some privacy for a few days, so what?