D defs.my
Entry 2 senses Webster, 1913

Heighten

/(hīt"'n)/ · Height·en · IPA /ˈhaɪ̯.tən/
01 v. t. To make high; to raise higher; to elevate.
imp. & p. p. Heightened; p. pr. & vb. n. Heightening
  1. 1.
    To make high; to raise higher; to elevate.
  2. 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.
    “An aspect of mystery which was easily heightened to the miraculous.” Hawthorne.