Synonyms for Forgo (same or very similar meaning)
WordNet sense 1 (be earlier in time; go back further):
antedate, forego, precede, predate, antecede, antedateWordNet sense 2 (do without or cease to hold or adhere to):
relinquish, waive, foreswear, dispense withWordNet sense 3 (lose or lose the right to by some error, offense, or crime):
forfeit, give up, throw overboardFrom the ODE community, based on WordNetadd/edit