summitry

[ suhm-i-tree ]
/ ˈsʌm ɪ tri /

noun

the act or practice of holding a summit meeting, especially to conduct diplomatic negotiations.
the art or technique of conducting summit meetings.
summit meetings collectively.

Origin of summitry

First recorded in 1955–60; summit + -ry

British Dictionary definitions for summitry

summitry
/ (ˈsʌmɪtrɪ) /

noun

mainly US the practice of conducting international negotiations by summit conferences