Synaesthetic is a term that describes an individual who experiences multi-sensory stimulation, typically by evoking an involuntary response in one sense through the stimulation of another sense. Some synonyms for synaesthetic may include sensory blending, cross-modal perception, and multisensory perception. Other synonyms that can be used interchangeably include cross-sensory perception, sensory fusion, or even synesthetic experiences. These terms are used to describe an individual's ability to perceive sensory information in a unique and complex manner, where the stimulation of one sense leads to automatic perceptions in another sense. From a neurological standpoint, synaesthetic experiences are a fascinating phenomenon that has yet to be fully understood. Nonetheless, the different synonyms above can be used to describe this complex sensory experience.