The Collaborative International Dictionary of English v.0.48:

Expressly \Ex*press"ly\, adv.
   In an express manner; in direct terms; with distinct purpose;
   particularly; as, a book written expressly for the young.
   [1913 Webster]

         The word of the Lord came expressly unto Ezekiel.
                                                  --Ezek. i. 3.
   [1913 Webster]

         I am sent expressly to your lordship.    --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

expressly
    adv 1: with specific intentions; for the express purpose; "she
           needs the money expressly for her patients"

Moby Thesaurus II by Grady Ward, 1.0:

83 Moby Thesaurus words for "expressly":
   absolutely, apparently, apprehensibly, articulately, as well,
   categorically, clearly, coherently, comprehensibly, concretely,
   dead, definitely, directly, discernibly, distinctly, especially,
   even, evidently, exactly, explicitly, faithfully, in all respects,
   in detail, in every respect, in particular, in plain English,
   in plain terms, in plain words, intelligibly, ipsissimis verbis,
   item by item, just, limpidly, literally, literatim, lucidly,
   manifestly, minutely, noticeably, observably, obviously,
   on purpose, palpably, particularly, patently, pellucidly,
   perceivably, perceptibly, perspicuously, plainly, plumb,
   point-blank, pointedly, positively, precisely, purposefully,
   purposely, right, rigidly, rigorously, separately, simply, singly,
   specially, specifically, square, squarely, straight, strictly,
   to be specific, to the letter, unambiguously, understandably,
   undeviatingly, unequivocally, unerringly, unmistakably, verbally,
   verbatim, verbatim et litteratim, visibly, word by word,
   word for word