The Collaborative International Dictionary
Concertion
Concertion \Con*cer"tion\, n.
Act of concerting; adjustment. [R.]
--Young.
[1913 Webster] ||
Wiktionary
concertion
n. Act of concerting; adjustment.
Usage examples of "concertion".
Also, these outbreaks were beginning to display a mysterious concertion and a degree of mentality of which the Venusians had not hitherto been believed capable.