Milestone

Definitions

1. A stone milepost (or by extension in other materials), one of a series of numbered markers placed along a road at regular intervals, typically at the side of the road or in a median.
2. An important event in a person's life or career, in the history of a nation, in the life of some project, etc.
   idiomatic

Equivalents

Examples

“Death is another milestone on their way.”

“Creating a complete⟳ map of the human connectome would therefore be a monumental milestone but not the end⟳ of the journey to understanding how our brains work⟳.”

“She bought the model⟳ as a surprise⟳ gift for a friend who is a lifelong HST fan and railwayman, and who will soon be celebrating a milestone birthday.”

CEFR level