Of itself is a phrase used to describe something that exists independently, without any assistance or influence from anything else. Synonyms for the phrase can include "intrinsic," "inherently," "inner," "essential," "autonomous," and "self-sufficient." These words all describe something that possesses the qualities or characteristics necessary to exist without external forces. The synonyms for "of itself" can be helpful in adding variety and clarity to writing, especially when attempting to describe a concept or idea that exists independently. Whatever one's preference, using synonyms can enhance both the author's understanding and the readers' comprehension of the topic at hand.