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

But the centerpiece remains the Advanced Games Project (AGP), the program’s capstone course, where multidisciplinary teams spend three semesters building an original game from concept to playable demo. — Destiny Jackson, Deadline, 23 July 2026

This was supposed to be Wahl’s World Cup, a career capstone in the country in which his coverage, of both men’s and women’s soccer, helped fuel the growth of the sport. — Sean Gregory, Time, 10 July 2026

The gloriously messy rage-rap capstone could’ve brought a graceful conclusion to the era-defining breed of metallurgic trap that Carti popularized with 2020’s Whole Lotta Red. — Eli Enis, Pitchfork, 9 July 2026

The therapist, someone who formerly worked with the department as a Rush University capstone project doctoral student, will work systemwide to assist juveniles within Juvenile Court, detention, home detention, probation, day reporting, crisis intervention and interacting with law enforcement. — Shelley Jones, Chicago Tribune, 27 June 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