Preside (verb)

1. To be in charge of or to conduct a meeting, event, or ceremony.
2. To act as the chairperson or leader of a group or organization.
3. To act as the official in charge of a meeting or gathering.

Origin:

From latin praesidere ("to sit before, to be in charge"), from prae ("before") + sedere ("to si.t")

Examples:

1. She will preside over the meeting.
2. He will preside over the ceremony.
3. The judge presided over the trial.
4. The president will preside over the meeting of the board.
5. She will preside at the ceremony as the master of ceremonies.