See enshroud in Webster's New World Roget's A-Z Thesaurus II
verb
To surround and cover completely so as to obscure:
cloak, clothe, enfold, envelop, enwrap, infold, invest, shroud, veil, wrap. See showTo prevent (something) from being known:
cloak, conceal, cover (up), hide1, hush (up), mask, shroud, veil. Idioms: keep under cover, keep under wraps. See show
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