heighten

verb

1. 1

   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

2. 2

   increase

   This will enhance your enjoyment

   heighten the tension

3. 3

   make (one's senses) more acute

   This drug will sharpen your vision

4. 4

   make more extreme; raise in quantity, degree, or intensity

   heightened interest

5. 5

   become more extreme

   The tension heightened

6. 6

   increase the height of

   The athletes kept jumping over the steadily heightened bars