To act or preside as chair, as of an academic department in a university; SYN. chairman.

1. To be in charge of; SYN. lead.
2. To be in the front of or on top of.
3. To be the first or leading member of (a group); SYN. head up.
4. To go or travel towards:

1. To act as president:
2. To run a meeting (usually with); SYN. chair.
3. To occupy a position of featured instrumental performer — usually used with at