officiating
v. C1 Advanced US //əˈfɪʃiˌeɪtɪŋ// UK //əfˈɪʃɪˌeɪtɪŋ// of·fi·ci·at·ing
v. acting as the person in charge of a game or ceremony to make sure everyone follows the rules.
v. performing the duties of an official, such as a referee or umpire, during a sporting event or formal ceremony. Present participle of 'officiate'; describes the active management of procedural rules.
He is officiating the championship game tonight.
The league received several complaints about the officiating during the final minutes of the match.
While officiating a high-stakes tournament requires deep technical knowledge, the most successful referees also possess the emotional intelligence to de-escalate tensions between competing players.
Usage
Intransitive or transitive; often followed by 'at' when referring to a specific event.