heighten

(v) become more extreme
- The tension heightened
rise,
(v) make more extreme; raise in quantity, degree, or intensity
- heightened interest
(v) increase
- This will enhance your enjoyment
- heighten the tension
enhance, raise,
(v) increase the height of
- The athletes kept jumping over the steadily heightened bars
(v) make (one's senses) more acute
- This drug will sharpen your vision
sharpen,
(v) make more intense, stronger, or more marked
- The efforts were intensified", "Her rudeness intensified his dislike for her
- Pot smokers claim it heightens their awareness
- This event only deepened my convictions
compound, deepen, intensify,

rise enhance raise sharpen compound deepen intensify

heights

heightening