to heighten is a form of:

Heighten



verbpast tense: heightened ; past participle: heightened ; present participle: heightening ;
1.
(INTRANSITIVE) Children heighten ខ្ពស់ឡើង, feelings heighten មាន កម្រិតខ្ពស់ឡើង
2.
(TRANSITIVE) (To make or become higher, larger, greater, etc., to become higher or more intense) heighten a doorway ធ្វើអោយខ្ពស់ឡើង, ថែមឡើង
Example: Father heightened the fence around the farm, His words heightened the tension, The tension of the dispute.heighten their excitement ធ្វើអោយខ្លាំងឡើង, heighten colors ធ្វើអោយឆើតឡើង
Example: Her heightened color.
ENGLISH MEANING
verbpast tense: heightened ; past participle: heightened ; present participle: heightening ;
1.
(TRANSITIVE) To make high; to raise higher; to elevate.
2.
(TRANSITIVE) 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.
1.
aggravate, amplify, augment, elevate, enhance, exalt, increase, intensify, lift, magnify, raise, uplift
1.
appease, lesson, lower, mitigate, palliate soften, soothe