instituted
v. C1 Advanced US //ˈɪnstəˌtutɪd// UK //ˈɪnstɪtjˌuːtɪd// in·sti·tut·ed
v. to start a new system, rule, or process. You use this when an organization or government officially begins a new way of doing things.
v. to set in motion or establish a system, rule, or formal procedure. Refers to the official initiation of an organized practice or policy.
The company instituted a new policy on remote work.
The university instituted stricter security measures following a series of unauthorized entries into the laboratory.
To address the rising levels of urban congestion, the municipal government instituted a series of congestion charges that significantly reduced peak-hour traffic within the city center.
Usage
The verb is transitive and requires a direct object, typically an abstract noun like 'policy', 'reform', or 'change'.