the act of granting authority to undertake certain functions
"The board's approval marked the official commissioning of the new security team to manage access at the facility."
The process of assuring that all systems and components of a major piece of equipment, a process, a building or similar are designed, installed and tested according to the operational requirements of the owner or final client.
"After months of installing HVAC units and electrical panels, the engineering team finally began commissioning the new hospital wing to ensure every system met the health department's strict safety standards."
present participle of commission
"The new hospital wing is currently under commissioning before it officially opens to patients next month."