capstone

noun

cap·​stone ˈkap-ˌstōn 

1

: a coping stone : coping

2

: the high point : crowning achievement

the capstone of her career

Synonyms of capstone

• pinnacle
• culmination
• zenith
• top
• height
• peak
• apex

Examples of capstone in a Sentence

her election as the state's first woman governor was a capstone of a long political career

Recent Examples on the Web

Murphy received the American Film Institute’s highest honor — a fitting capstone for a career that began with early stand-up success, including performing at major venues like Madison Square Garden. —Hanna Wickes, Miami Herald, 20 Apr. 2026

Hampshire’s current students completing their final capstone project can still graduate from the school. —Austin Sarat, The Conversation, 17 Apr. 2026

Brady teaches peace studies, world cultures, anthropology, world religions and the STEM/humanities capstone. —Steve Metsch, Chicago Tribune, 16 Apr. 2026

As part of a senior year capstone project, Sonterre and Tran decided to launch their own home-repair service, focusing on small jobs that larger contractors often turn down. —Elliot Mann, Twin Cities, 5 Apr. 2026

Word History

Etymology

cap entry 1

First Known Use

1665, in the meaning defined at sense 1

Rhymes for capstone

• alone
• atone
• backbone
• bemoan
• bluestone
• breastbone
• brownstone
• cheekbone
• condone
• curbstone
• cyclone
• dethrone