The Collaborative International Dictionary of English v.0.48:
Antiepileptic \An`ti*ep`i*lep"tic\, a. & n. (Med.) Same as Antepileptic. [1913 Webster]WordNet (r) 3.0 (2006):
antiepileptic n 1: a drug used to treat or prevent convulsions (as in epilepsy) [syn: anticonvulsant, anticonvulsant drug, antiepileptic, antiepileptic drug]