What is the corresponding noun for pleasant?

There isn't a single perfect noun equivalent for "pleasant." However, depending on the context, you can use several options:

General:

* Pleasure - This is the most common and direct noun form of "pleasant."

* Delight - This implies a stronger feeling of happiness and enjoyment.

* Charm - This suggests a quality that is appealing and attractive.

* Enjoyment - This emphasizes the feeling of satisfaction and contentment.

Specific:

* Pleasantness - This is a less common but more direct equivalent.

* Agreeableness - This emphasizes the quality of being agreeable and enjoyable.

* Amiability - This focuses on the quality of being friendly and easy to get along with.

* Comforts - This implies a sense of ease and relaxation.

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