There are many synonyms for "have feeling," depending on the specific emotion being experienced. For example, "feel" can be used as a general term. "Experience" is another option that implies a deeper, more intense feeling. "Sense" is often used to describe a more subtle or intuitive feeling. "Perceive" is used to describe the act of becoming aware of a feeling. "Discern" implies a more deliberate, analytical observation of a feeling. "Detect" can describe a feeling that is barely noticeable or difficult to identify. "Notice" is often used to describe a more casual or incidental feeling. There are countless other ways to express the idea of having a feeling, each with its own nuances and connotations.