See also: Appendix:Variations of "sep" English Wikipedia has an article on:SEPWikipedia Noun SEP (plural SEPs) (medicine) Initialism of sensory evoked potential. (US, healthcare) Initialism of special enrollment period. (law) Initialism of standard-essential patent. (UK, military) Initialism of Surrendered Enemy Personnel. Noun SEP pl (plural only) (astronomy) Initialism of solar energetic particles. Anagrams EPs, EPS, SPE, eps, pes, Eps, PES, ESP, esp, esp., PEs, PSE, Pes Spanish Wikipedia has an article on:SEPWikipedia es Proper noun SEP f Initialism of Secretaría de Educación Pública.