jointly

[ joint-lee ]

/ ˈdʒɔɪnt li /

together; in combination or partnership; in common: My brother and I own the farm jointly.

Origin of jointly

Middle English word dating back to 1300–50; see origin at joint, -ly

Related formsqua·si-joint·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

There were wiki pages where users could jointly formulate and debate the rules.
You Can Look It Up: The Wikipedia Story|Walter Isaacson|October 19, 2014|DAILY BEAST
Plus, while the two had jointly helped man a field office for months, they had fallen out of touch since.
Clinton’s Iowa Plan: Use Obama to Win|Ben Jacobs|March 12, 2014|DAILY BEAST
Her Mormon boyfriend, stricken with guilt, takes her to meet his bishop, where they jointly receive holy contempt.
Sexual Medicine Sold as Sugar: Ashley Cardiff’s Essays|Thomas Leveritt|July 11, 2013|DAILY BEAST
The American Football League and National Football League jointly announced an intent to merge on June 8, 1966.
Why the NFL Has Awarded Super Bowl 2014 to Cold-Weather East Rutherford|Evan Weiner|February 5, 2013|DAILY BEAST

And if the projections hold, Meretz and HaTnuah will jointly take 12 seats.
Yair Lapid Is No Cause For Optimism|Emily L. Hauser|January 23, 2013|DAILY BEAST
The landlord and tenant, for example, might jointly be obliged to record their lease in a public register.
An Inquiry into the Nature and Causes of the Wealth of Nations|Adam Smith
They went away, I suppose, next morning; jointly or singly; singly, I imagine.
And Even Now|Max Beerbohm
My husband betrayed him; it was the breach of a trust in which they were jointly liable.
Blacksheep! Blacksheep!|Meredith Nicholson
In 1753 the incumbent died, and Franklin and Mr. William Hunter, jointly, were appointed his successors.
Benjamin Franklin|John Torrey Morse, Jr.
The two girls turned away, and went together to the cabin which they jointly occupied.
The Pirate Island|Harry Collingwood

adv.

c.1300, from joint (adj.) + -ly (2). It seems to have chased out joinly (early 15c.).