forgo

Etymology

From Middle English forgon (“to go by, pass up”), from Old English forgān (“to go away, forgo”); equivalent to for- + go.

verb

1. To let pass, to leave alone, to let go.
2. To do without, to abandon, to renounce.
   Mr. Hoyle, who does not believe many multiple-unit diesel services on secondary routes will resist for ever the road transport challenge, would forgo passenger traffic altogether on a little-used route in order to improve the quality of the freight working and reduce its costs by equating the average speed of all trains on the line concerned. 1960 February, “Talking of Trains”, in Trains Illustrated, page 67
   You might think that Americans buy roughly the same number of fitted sheets as flats. Or, considering the market for electric blankets, duvets, and other covers, that consumers buy even more bottom sheets, simply forgoing the tops. 1986, New York Magazine, volume 19, number 49, page 20
3. To refrain from, to abstain from, to pass up, to withgo.
   I wouldn't forgo something, unless I'm convinced that it's detrimental in some way or another.