The Collaborative International Dictionary of English v.0.48:

Enshroud \En*shroud"\, v. t.
   To cover with, or as with, a shroud; to shroud. --Churchill.
   [1913 Webster]

WordNet (r) 3.0 (2006):

enshroud
    v 1: cover as if with a shroud; "The origins of this
         civilization are shrouded in mystery" [syn: shroud,
         enshroud, hide, cover]

Moby Thesaurus II by Grady Ward, 1.0:

76 Moby Thesaurus words for "enshroud":
   apparel, array, attire, becloud, bedeck, bedrape, befog, blanket,
   blind, box, bundle up, camouflage, case, cloak, clothe, cloud,
   conceal, cover, cover up, crate, curtain, deck, dight, disguise,
   dissemble, distract attention from, drape, dress, dud, eclipse,
   embox, embrace, encapsulate, encase, enclose, enclothe, endue,
   enfold, enrobe, ensconce, envelop, enwrap, garb, garment,
   gloss over, habilitate, hide, invest, keep under cover, lap, mask,
   muffle up, obfuscate, obscure, occult, pack, package, rag out,
   raiment, robe, screen, shade, sheathe, shroud, slur over, smother,
   surround, swaddle, swathe, tire, varnish, veil, whitewash, wrap,
   wrap about, wrap up