Source : Webster's Revised Unabridged Dictionary (1913)

Stoic \Sto"ic\, Stoical \Sto"ic*al\, a. [L. stoicus, Gr. ?: cf.
   F. sto["i]que. See {Stoic}, n.]
   1. Of or pertaining to the Stoics; resembling the Stoics or
      their doctrines.

   2. Not affected by passion; manifesting indifference to
      pleasure or pain. -- {Sto"ic*al*ly}, adv. --
      {Sto"ic*al*ness}, n.

Source : WordNet®

stoically
     adv : without emotion; in a stoic manner; "he stoically accepted
           all suffering"