What is the synonym of affecting?

The best synonym for "affecting" depends on the context. Here are some options:

If you mean "to influence or change":

* Impacting

* Influencing

* Changing

* Altering

* Modifying

If you mean "to produce a strong emotional effect":

* Moving

* Touching

* Poignant

* Emotive

* Heart-wrenching

* Compelling

If you mean "to feign or pretend":

* Assuming

* Putting on

* Acting

* Pretending

If you mean "to relate to or have an effect on":

* Concerning

* Relating to

* Pertaining to

* Involving

To choose the most appropriate synonym, consider the specific context in which you're using the word "affecting."