The Collaborative International Dictionary of English v.0.48:

Extend \Ex*tend"\ ([e^]ks*t[e^]nd"), v. t. [imp. & p. p.
   Extended; p. pr. & vb. n. Extending.] [L. extendere,
   extentum, extensum; ex out + tendere to stretch. See
   Trend.]
   1. To stretch out; to prolong in space; to carry forward or
      continue in length; as, to extend a line in surveying; to
      extend a cord across the street.
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            Few extend their thoughts toward universal
            knowledge.                            --Locke.
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   2. To enlarge, as a surface or volume; to expand; to spread;
      to amplify; as, to extend metal plates by hammering or
      rolling them.
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   3. To enlarge; to widen; to carry out further; as, to extend
      the capacities, the sphere of usefulness, or commerce; to
      extend power or influence; to continue, as time; to
      lengthen; to prolong; as, to extend the time of payment or
      a season of trial.
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   4. To hold out or reach forth, as the arm or hand.
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            His helpless hand extend.             --Dryden.
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   5. To bestow; to offer; to impart; to apply; as, to extend
      sympathy to the suffering.
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   6. To increase in quantity by weakening or adulterating
      additions; as, to extend liquors. --G. P. Burnham.
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   7. (Eng. Law) To value, as lands taken by a writ of extent in
      satisfaction of a debt; to assign by writ of extent.
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   Extended letter (Typog.), a letter, or style of type,
      having a broader face than is usual for a letter or type
      of the same height.
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   Note: This is extended type.

   Syn: To increase; enlarge; expand; widen; diffuse. See
        Increase.
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