summitry

noun

1. (uncountable, usually)The holding of a summit (conference) or summits generally

   “During the same two weeks that we beheld the most comprehensive summitry the 20th century International Gay and Lesbian Movement has so far achieved — the all-inclusive Stonewall 25 celebrations — we also witnessed a fracturing of our movement's middle class underpinnings.”

2. (uncountable, usually)Participation in a summit