Source : Webster's Revised Unabridged Dictionary (1913)

Concept \Con"cept\, n. [L. conceptus (cf. neut. conceptum
   fetus), p. p. of concipere to conceive: cf. F. concept. See
   {Conceit}.]
   An abstract general conception; a notion; a universal.

         The words conception, concept, notion, should be
         limited to the thought of what can not be represented
         in the imagination; as, the thought suggested by a
         general term.                            --Sir W.
                                                  Hamilton.

Source : WordNet®

concept
     n : an abstract or general idea inferred or derived from
         specific instances [syn: {conception}, {construct}] [ant:
          {misconception}]