v. t. [ Written also highten. ][ imp. & p. p. Heightened p. pr. & vb. n. Heightening. ]1. To make high; to raise higher; to elevate. [ 1913 Webster ]
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.” Addison. [ 1913 Webster ]
An aspect of mystery which was easily heightened to the miraculous. Hawthorne. [ 1913 Webster ]