You searched for: “synaesthetic
synaesthetic (adjective), more synaesthetic, most synaesthetic
1. Referring to a condition in which one type of stimulation evokes the sensation of another, as when the hearing of a sound produces the visualization of a color: Hearing the sounds of crashing waves was always a synaesthetic experience for Rodrigo because they reminded him of the times when he was a teenager surfing so often on the coast of Florida.
2. Relating to a sensation felt in one part of the body as a result of stimulus applied to another part, as with referred pain: When Dr. Thomas tapped Jack's’ left knee, his right leg jerked in a synaesthetic response.

A Composition of What Someone Might Experience in His or Her Synaesthetic Experiences

When the hearing of a sound produces the visualization of colors.
—As seen at Wikipedia Commons