Answer: milestone

AnswerCrossword Clue
MILESTONESignificant point.
milestonea post or stone marker showing distance in miles
milestoneimportant event
MILESTONENumbered marker
MILESTONE50th anniversary, for example
MILESTONETurning 50, e.g.
MILESTONECentennial, e.g.
MILESTONEEvent worth celebrating
MILESTONEMarker of significance
MILESTONEImportant event
MILESTONESignificant event.
MILESTONEMarker.
MILESTONERite of passage, e.g.
MILESTONEAnniversary, for one.
MILESTONEAnniversary.
MILESTONEGraduation Day, for example.
MILESTONEEvent in a career.
MILESTONEImportant event.
MILESTONESignificant event
MILESTONETurning point
MILESTONELandmark
MILESTONEEnd of an era, e.g.
MILESTONERite of passage
MILESTONENotable achievement