height·en /ˈhaɪtṇ/
  (vt.)增高,提高,加強(vi.)變大
  Height·en v. t. [Written also highten.] [imp. & p. p. Heightened p. pr. & vb. n. Heightening.]
  1. To make high; to raise higher; to elevate.
  2. To carry forward; to advance; to increase; to augment; to aggravate; to intensify; to render more conspicuous; -- used of things, good or bad; as, to heighten beauty; to heighten a flavor or a tint. “To heighten our confusion.”
     An aspect of mystery which was easily heightened to the miraculous.   --Hawthorne.
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  heighten
       v 1: become more extreme; "The tension heightened" [syn: rise]
       2: make more extreme; raise in quantity, degree, or intensity;
          "heightened interest"
       3: increase; "This will enhance your enjoyment"; "heighten the
          tension" [syn: enhance, raise]
       4: increase the height of; "The athletes kept jumping over the
          steadily heightened bars"
       5: make (one's senses) more acute; "This drug will sharpen your
          vision" [syn: sharpen]
       6: make more intense, stronger, or more marked; "The efforts
          were intensified", "Her rudeness intensified his dislike
          for her"; "Potsmokers claim it heightens their awareness";
          "This event only deepened my convictions" [syn: intensify,
           compound, deepen]