WordNet (r) 3.0 (2006):

pep
    n 1: liveliness and energy; "this tonic is guaranteed to give
         you more pep" [syn: pep, peppiness, ginger]

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "pep":
   aggressiveness, animation, bang, birr, breeziness, briskness,
   bubbliness, dash, drive, ebullience, effervescence, energy,
   enterprise, fire, get-up-and-go, getup, ginger, go, hardihood,
   initiative, kick, life, liveliness, moxie, pepper, peppiness,
   piquancy, piss and vinegar, pizzazz, poignancy, poop, potency,
   punch, pungency, push, raciness, snap, sparkle, spirit,
   spiritedness, sprightliness, spunk, starch, thrust, tuck, verve,
   vigor, vim, vitality, vivaciousness, vivacity, vividness, zing,
   zip



V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PEP
       Packetized Ensemble Protocol (Telebit)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PEP
       Personal Employee Portal (IBM)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PEP
       Polymer Electronic Printing


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PEP
       Personal Exam Prep (MS, ATEC)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

PEP
       Python Enhancement Proposal (Python)


The Free On-line Dictionary of Computing (30 December 2018):

peak envelope power
PEP

    (PEP) The maximum power output by a radio
   transmitter over one complete RF cycle at any modulation.

   (2008-02-11)