Source : Webster's Revised Unabridged Dictionary (1913)

Possible \Pos"si*ble\, a. [F., fr. L. possibilis, fr. posse to
   be able, to have power; potis able, capable + esse to be. See
   {Potent}, {Am}, and cf. {Host} a landlord.]
   Capable of existing or occurring, or of being conceived or
   thought of; able to happen; capable of being done; not
   contrary to the nature of things; -- sometimes used to
   express extreme improbability; barely able to be, or to come
   to pass; as, possibly he is honest, as it is possible that
   Judas meant no wrong.

         With God all things are possible.        --Matt. xix.
                                                  26.

   Syn: Practicable; likely. See {Practicable}.

Source : WordNet®

possible
     adj 1: capable of happening or existing; "a breakthrough may be
            possible next year"; "anything is possible"; "warned
            of possible consequences" [ant: {impossible}]
     2: existing in possibility; "a potential problem"; "possible
        uses of nuclear power" [syn: {potential}] [ant: {actual}]
     3: possible to conceive or imagine; "that is one possible
        answer" [syn: {conceivable}, {imaginable}]

possible
     n 1: something that can be done; "politics is the art of the
          possible"
     2: an applicant who might be suitable