officiate
- vt. 主持（仪式）；行使（职务）；担任裁判
- vi. 执行职务；主持宗教仪式；当体育比赛裁判
英英释意
- 1. act in an official capacity in a ceremony or religious ritual, such as a wedding;
- "Who officiated at your wedding?"
- 2. perform duties attached to a particular office or place or function;
- "His wife officiated as his private secretary"