To be present at an event, meeting, or function. She will attend the conference next week.
To deal with or take care of something. The nurse will attend to the patient's needs.
To accompany or serve someone. The assistant attended the manager during the meeting.
To pay attention to; listen or heed. Please attend to the speaker's remarks.
To occur with or as a consequence of something; to accompany as an adjunct. Fatigue often attends a severe illness.