Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun capstone

2 senses of capstone

Sense 1
finishing touch, capstone, copestone -- (a final touch; a crowning achievement; a culmination)
       => touch -- (deftness in handling matters; "he has a master's touch")

Sense 2
capstone, copestone, coping stone, stretcher -- (a stone that forms the top of wall or building)
       => stone -- (building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site")