operance
/ˈɒpərəns/Definitions
1. noun
The act or process of operating or performing.
“The completion of the project marked the end of its operance.”
2. noun
A formal or official act, especially one of great importance.
“The operance of the new law was met with both praise and criticism.”
3. verb
To put something into operation or to use it effectively.
“The company will operance the new system next quarter.”