THESAURUS
go before
announce, antecede, antedate, anticipate, be before, be early, be the bellwether, beacon, blaze the trail, break the trail, come before, come first, foreglimpse, forerun, foresee, forestall, foretaste, front, get ahead of, get before, go ahead of, go in advance, go off half-cocked, guide, have priority, have the start, head, head the line, head the table, head up, herald, introduce, jump the gun, kick off, lap, lead, lead off, lead the dance, lead the way, light the way, outrank, outstrip, pace, pioneer, precede, precurse, predate, preexist, proclaim, rank, rate, set the pace, spearhead, stand first, take precedence, take the lead, usher in, win the start
ROGET THESAURUS
go before
Priority
VB
precede, come before, forerun,
go before, preexist, dawn, presage, herald, usher in, be beforehand, steal a march upon, anticipate, forestall, have the start, gain the start.
Precession
VB
go before, go ahead, go in the van, go in advance, precede, forerun, usher in, introduce, herald, head, take the lead, lead the way, lead the dance, get the start, have the start, steal a march, get before, get ahead, get in front of, outstrip, take precedence.