Main Entry: mile·stone Pronunciation: \ˈmī(-ə)l-ˌstōn\ Function: noun Date: 1662 1 : a stone serving as a milepost 2 : a significant point in development I’ve been thinking about (and writing about, but that’s for another time) milestones and the passage of time.  I’ve always tried hard not to get bogged down by the shoulds of [...]