The Collaborative International Dictionary of English v.0.48:

Re-ally \Re"-al*ly"\ (-l[imac]"), v. t. [Pref. re- + ally, v.
   t.]
   To bring together again; to compose or form anew. --Spenser.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Really \Re"al*ly`\ (r[=a]"[aum]l*l[=e]`), adv.
   Royally. [Obs.] --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Really \Re"al*ly\ (r[=e]"al*l[y^]), adv.
   In a real manner; with or in reality; actually; in truth.
   [1913 Webster]

         Whose anger is really but a short fit of madness.
                                                  --Swift.
   [1913 Webster]

   Note: Really is often used familiarly as a slight
         corroboration of an opinion or a declaration.
         [1913 Webster]

               Why, really, sixty-five is somewhat old. --Young.
         [1913 Webster]

The Devil's Dictionary (1881-1906):

REALLY, adv.  Apparently.