What is an abstract noun for attend?

There isn't a single perfect abstract noun for "attend," as the meaning can vary depending on context. Here are some options, with explanations:

* Presence: This is a good general term for being physically present at something.

* Participation: This emphasizes active involvement, beyond just being there.

* Engagement: This suggests a level of focused attention and involvement.

* Focus: This highlights the act of directing attention towards something.

* Attention: This is a general term for being mentally present and aware.

The best choice depends on the specific context and what nuance you want to convey.