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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  heightening
       adj : reaching a higher intensity; "their heightening fears" [syn:
              heightening(a)]