There are a variety of synonyms for the phrase "feeling deeply" that can be used to add depth and nuance to one's writing. Emotionally involved, intensely moved, profoundly affected, deeply moved, strongly affected, deeply affected, emotionally affected, and moved to depth are just a few examples of alternatives to consider. Each of these phrases offers a slightly different connotation or tone, allowing writers to precisely convey the emotional state they want to express. Experimenting with synonyms can also help to avoid overuse of a particular phrase and keep writing fresh and engaging.