attend

To care for (someone requiring attention); specifically, of a doctor, nurse, etc.: to provide professional care to (someone).

To wait on (someone or their instructions) as an attendant, servant, etc.; also (specifically of a gentleman-in-waiting or lady-in-waiting to a member of royalty), to accompany (someone) in order to assist or wait upon them; to escort.

To be present at (an event or place) in order to take part in some action or proceedings; also, to regularly go to (an event or place).

To take action with respect to (someone, or something such as a concern, problem, or task); to deal with, to handle.

Of a (chiefly immaterial) thing: to be consequent to or present with (someone or something); to accompany.

To look after (someone or something); to tend.

Followed by to: to look after someone or something.

To be ready to wait upon someone or their instructions as an attendant, servant, etc.; also (followed by on or upon), to accompany someone in order to assist or wait upon them.

Followed by at: to go to and be present at a place for some purpose; also (obsolete), followed by on: to be present at and take part in an event.

Followed by to: to take action with respect to someone or something; to deal with.