What is the noun for gather?

There isn't one single noun that perfectly captures the meaning of "gather" in all its contexts. The best word depends on what you're gathering and how.

Here are some possibilities:

For physical objects:

* Collection: A group of things gathered together.

* Assembly: A gathering of people or things.

* Accumulation: A large amount of something gathered over time.

* Heap: A pile of something gathered together.

* Bundle: A group of things tied together.

* Harvest: The gathering of crops.

For information:

* Compilation: A collection of information gathered from various sources.

* Synthesis: The combination of different pieces of information to form a whole.

* Research: The systematic gathering of information on a topic.

For people:

* Meeting: A gathering of people for a specific purpose.

* Assembly: A gathering of people, often for a formal purpose.

* Congregation: A gathering of people, especially for religious purposes.

For abstract ideas:

* Concentration: The gathering of something into a smaller space.

* Accumulation: The gradual increase in something over time.

The best noun to use will depend on the specific context. For example, "The children gathered their toys into a heap on the floor" is different from "The researcher gathered data for her study."