What is a synonym for I am?

There isn't a perfect synonym for "I am" because it's a very specific phrase that combines the pronoun "I" with the verb "to be" in the present tense.

However, depending on the context, you could use:

For emphasis:

* I exist

* I stand

* I live

* I am here

* I am present

For a more casual tone:

* It's me

* This is me

To show identity:

* My name is...

* I am known as...

To express a state of being:

* I feel...

* I think...

* I believe...

Ultimately, the best synonym depends on the specific meaning you want to convey.