What is another term of understand?

There are many other terms for "understand," depending on the specific nuance you want to convey. Here are a few options:

General understanding:

* Comprehend

* Grasp

* Perceive

* Apprehend

* Get

* Know

* See

* Realize

* Recognize

Empathy and emotional understanding:

* Appreciate

* Relate to

* Connect with

* Sympathize with

Intellectual understanding:

* Discern

* Deduce

* Infer

* Interpret

* Analyze

* Explain

Formal understanding:

* Ascertain

* Determine

* Establish

* Clarify

Informal understanding:

* Figure out

* Get the gist

* Make sense of

* Wrap one's head around

The best term to use will depend on the specific context and the meaning you want to convey.