understanding (EN)
noun, adjective

This word can also be a form of:
understand (verb)

noun “understanding”

sg. understanding, pl. understandings or uncountable
  1. the process of fully grasping or knowing something
    Her deep understanding of the subject was evident in her ability to explain complex concepts with ease.
  2. an informal agreement between parties
    We had an understanding that I would feed the dog while you were away on vacation.
  3. the resolution of a disagreement or conflict
    After hours of discussion, they finally reached an understanding and shook hands.
  4. the feeling of empathy or support for someone else's situation
    She approached the situation with a great deal of understanding, knowing that everyone makes mistakes.

adjective “understanding”

understanding
  1. being kind, patient, and accepting of others' differences or mistakes
    He was very understanding when I had to cancel our plans at the last minute.