adjective / noun
epileptic
ep-ih-LEP-tik/ˌɛpʌlˈɛptɪk/
Having or relating to epilepsy, a disorder causing recurrent seizures.
The adult experiences recurrent epileptic seizures under a clinician's supervision.

Etymology
The roots evoke “seizing upon,” an expression used in Greek for attacks by disease. The adjective carries this seizure image into its meaning of relating to epilepsy.
In context
He in 1934 had introduced a thing called convulsive therapy. He believed that schizophrenia could be alleviated by epileptic seizures.
More examples
- Not every seizure means that a person is epileptic.
- The test helps doctors identify epileptic activity in the brain.
- The older medical record describes the patient as an epileptic.
Forms
epileptic · epileptics
epilepsy noun — A neurological disorder that causes recurrent seizures.