To Attend

1. (archaic, transitive) To listen to (something or someone); to pay attention to; regard; heed. [from 15th c.]
2. (archaic, intransitive) To listen (to, unto). [from 15th c.]
3. (intransitive) To turn one's consideration (to); to deal with (a task, problem, concern etc.), to look after. [from 15th c.]
4. (transitive, intransitive) To wait upon as a servant etc.; to accompany to assist (someone). [from 15th c.]
5. (transitive) To be present at (an event or place) in order to take part in some action or proceedings; to regularly go to (an event or place). [from 17th c.]
6. (intransitive, law) To go to (a place) for some purpose (with at).
7. To be present with; to accompany; to be united or consequent to.
8. To wait for; to await; to remain, abide, or be in store for.

(listen to): behear, heed, mark, notice

(listen): notice, pay attention, take heed

(wait upon as a servant): bestand, serve

(wait for): wait for