milepost

a point in a chain of events at which an important change (as in one's fortunes) occurs a milepost in the development of a global economy Synonyms climacteric, climax, corner, landmark, turning point, milestone, watershedRelated Words break, capper, clincher, crusher, highlight, topper; conversion, metamorphosis, transfiguration, transformation, turnabout, turnaround; boiling point, breaking point, clutch, conjuncture, crisis, crossroad(s), crunch, crunch time, Dunkirk, emergency, exigency, extremity, flash point, head, juncture, zero hour