pinnacle

[1]

create , originate , invent , initiate , take the first step , introduce , institute , actuate , trigger , set off , inaugurate , start , begin , launch , establish , found , set up , develop , lay the groundwork/foundation , set/put in motion , take the lead , lead/show the way , blaze the trail , be a prime mover , open up , (Colloq) kick off , get the ball rolling

[1]	top , peak , apex , acme , summit , zenith , maximum , climax , crowning point , consummation , utmost , extreme , perfection , tip , cap , crest , crown
[2]	pathfinder , acme , height , frontiersman , frontierswoman , elevation , peak , trail-blazer , explorer , summit , superlative , colonist , (early) settler , meridian , tiptop , ground-breaker , forerunner , top , precursor , predecessor , innovator , leader , trend-setter , pacemaker , pace-setter