Heighten

[hahyt-n] /ˈhaɪt n/

verb (used with object)
1.
to increase the of; make .
2.
to increase the degree or amount of; augment:
Cézanne’s death heightened the value of his paintings.
3.
to strengthen, deepen, or intensify:
to heighten the plot of a story; to heighten one’s awareness or appreciation; to heighten one’s suffering.
4.
to bring out the important features of, as in a drawing:
to heighten a picture with Chinese white.
verb (used without object)
5.
to become .
6.
to increase:
The tension heightened as the enemy forces advanced.
7.
to brighten or become more intense.
/ˈhaɪtən/
verb
1.
to make or become high or higher
2.
to make or become more extreme or intense
v.

mid-15c., heightenen “to exalt, to honor or raise to high position,” from height + -en (1). Related: Heightened; heightening.