Fore*go" (?), v. t. [imp. Forewent 2; p. p. Foregone (?; 115); p. pr. & vb. n. Foregoing.] [See Forgo.] 1. To quit; to relinquish; to leave.

Stay at the third cup, or forego the place.

2. To relinquish the enjoyment or advantage of; to give up; to resign; to renounce; -- said of a thing already enjoyed, or of one within reach, or anticipated.

All my patrimony,,
If need be, I am ready to forego.

Thy lovers must their promised heaven forego.

[He] never forewent an opportunity of honest profit.
R. L. Stevenson.

Forgo is the better spelling etymologically, but the word has been confused with Forego, to go before.

Fore*go", v. t. [AS. foregān; fore + gān to go; akin to G. vorgehen to go before, precede. See Go, v. i.] To go before; to precede; -- used especially in the present and past participles.

Pleasing remembrance of a thought foregone.

For which the very mother's face forewent
The mother's special patience.
Mrs. Browning.

Foregone conclusion, one which has preceded argument or examination; one predetermined.