The phrase "had a sensation" can be replaced with numerous synonyms that describe the experience of feeling something. Words like "felt," "sensed," "perceived," "noticed," and "experienced" can convey a similar meaning. Other synonyms that might apply to more specific sensations include "tingled," "burned," "itched," "tickled," and "throbbled." These words can help distinguish between different types of feelings, such as pain, pleasure, or an itch. Depending on the context, other synonyms like "tasted," "smelled," or "heard" may also be appropriate substitutions. Expanding one's vocabulary to include these synonyms can help add variety and nuance to writing.