"Spicing up" is a term commonly used to refer to adding excitement or interest to something. However, there are a number of alternative words and phrases that can be used to convey a similar meaning. One option is to use the phrase "adding flavor", which implies that something is being made more interesting or exciting. Alternatively, the term "enlivening" can be used to indicate that something is being made more lively or vibrant. Other options might include phrases like "infusing new life into" or "injecting excitement into". Whatever the specific wording, the key is to use verbiage that suggests that something is being made more interesting or engaging.