Capstone

Definitions

1. Any of the stones making up the top layer of a wall; a coping stone.
2. A crowning achievement, culmination or finishing touch.
   figuratively

Equivalents

Examples

““You see⟳, I’ve never had a girl friend,” I added, by way of topping the obelisk of silliness with the capstone of fatuity.”

“Success of the Apollo program⟳ has been the capstone to a series of significant accomplishments for the United States in space in a broad spectrum of manned and unmanned exploration missions and in the application of space techniques for the benefit of man.”

CEFR level