Attend (verb)

1. To be present at an event or meeting.
2. To take care of or deal with something.
3. To give one's attention or time to something.
4. To look after or take care of someone.

Origin:

From the old french word "atendre" meaning "to wait for" or "to tend to".

Examples:

1. He attended the meeting on behalf of the company.
2. She attended to her duties as a nurse.
3. He attended to the needs of the guests.
4. The teacher attended to the needs of the students.