Source : Webster's Revised Unabridged Dictionary (1913)

Insight \In"sight`\, n.
   1. A sight or view of the interior of anything; a deep
      inspection or view; introspection; -- frequently used with
      into.

            He had an insight into almost all the secrets of
            state.                                --Jortin.

   2. Power of acute observation and deduction; penetration;
      discernment; perception.

            Quickest insight In all things that to greatest
            actions lead.                         --Milton.

Source : WordNet®

insight
     n 1: clear or deep perception of a situation [syn: {penetration}]
     2: a feeling of understanding [syn: {perceptiveness}, {perceptivity}]
     3: the clear (and often sudden) understanding of a complex
        situation [syn: {brainstorm}, {brainwave}]
     4: grasping the inner nature of things intuitively [syn: {sixth
        sense}]

Source : Free On-Line Dictionary of Computing

INSIGHT
     
        A {simulation} and modelling language especially for health
        care problems.
     
        ["Simulation Modeling with INSIGHT", S.D. Roberts Proc 1983
        Winter Sim Conf, S.D. Roberts et al eds, pp.7-16].
     
        (1995-03-03)