The Collaborative International Dictionary of English v.0.48:

System \Sys"tem\, n. [L. systema, Gr. ?, fr. ? to place
   together; sy`n with + ? to place: cf. F. syst[`e]me. See
   Stand.]
   1. An assemblage of objects arranged in regular
      subordination, or after some distinct method, usually
      logical or scientific; a complete whole of objects related
      by some common law, principle, or end; a complete
      exhibition of essential principles or facts, arranged in a
      rational dependence or connection; a regular union of
      principles or parts forming one entire thing; as, a system
      of philosophy; a system of government; a system of
      divinity; a system of botany or chemistry; a military
      system; the solar system.
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            The best way to learn any science, is to begin with
            a regular system, or a short and plain scheme of
            that science well drawn up into a narrow compass.
                                                  --I. Watts.
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   2. Hence, the whole scheme of created things regarded as
      forming one complete plan of whole; the universe. "The
      great system of the world." --Boyle.
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   3. Regular method or order; formal arrangement; plan; as, to
      have a system in one's business.
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   4. (Mus.) The collection of staves which form a full score.
      See Score, n.
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   5. (Biol.) An assemblage of parts or organs, either in animal
      or plant, essential to the performance of some particular
      function or functions which as a rule are of greater
      complexity than those manifested by a single organ; as,
      the capillary system, the muscular system, the digestive
      system, etc.; hence, the whole body as a functional unity.
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   6. (Zool.) One of the stellate or irregular clusters of
      intimately united zooids which are imbedded in, or
      scattered over, the surface of the common tissue of many
      compound ascidians.
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   Block system, Conservative system, etc. See under
      Block, Conservative, etc.
      [1913 Webster] Systematic

The Collaborative International Dictionary of English v.0.48:

Conservative \Con*serv"a*tive\, a. [Cf. F. conservatif.]
   1. Having power to preserve in a safe of entire state, or
      from loss, waste, or injury; preservative.
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   2. Tending or disposed to maintain existing institutions;
      opposed to change or innovation.
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   3. Of or pertaining to a political party which favors the
      conservation of existing institutions and forms of
      government, as the Conservative party in England; --
      contradistinguished from Liberal and Radical.
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            We have always been conscientiously attached to what
            is called the Tory, and which might with more
            propriety be called the Conservative, party.
                                                  --Quart. Rev.
                                                  (1830).
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   Conservative system (Mech.), a material system of such a
      nature that after the system has undergone any series of
      changes, and been brought back in any manner to its
      original state, the whole work done by external agents on
      the system is equal to the whole work done by the system
      overcoming external forces.                 --Clerk
                                                  Maxwell.
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