The Collaborative International Dictionary of English v.0.48:

Squarely \Square"ly\, adv.
   In a square form or manner.
   [1913 Webster]

WordNet (r) 3.0 (2006):

squarely
    adv 1: directly and without evasion; not roundabout; "to face a
           problem squarely"; "the responsibility lies squarely with
           them"; "spoke forthright (or forthrightly) and to the
           point" [syn: squarely, forthrightly, forthright]
    2: in a straight direct way; "looked him squarely in the eye";
       "ran square into me" [syn: squarely, square]
    3: firmly and solidly; "hit the ball squarely"; "the bat met the
       ball squarely"; "planted his great bulk square before his
       enemy" [syn: squarely, square]
    4: in a square shape; "a squarely cut piece of paper"; "folded
       the sheet of paper square" [syn: squarely, square]
    5: with firmness and conviction; without compromise; "he stood
       foursquare for religious liberty and toleration"- C.G.Bowers;
       "dealt straightforwardly with all issues" [syn: squarely,
       foursquare, straightforwardly]

Moby Thesaurus II by Grady Ward, 1.0:

46 Moby Thesaurus words for "squarely":
   absolutely, accurately, bang, dead, definitely, directly, equally,
   even, exactly, expressly, faithfully, fifty-fifty, flush, full,
   in all respects, in every respect, ipsissimis verbis, just,
   kerplunk, literally, literatim, plop, plumb, plump, plunk,
   point-blank, positively, precisely, right, rigidly, rigorously,
   sharp, smack, smack-dab, spang, square, straight, strictly,
   to the letter, undeviatingly, unerringly, verbally, verbatim,
   verbatim et litteratim, word by word, word for word